PackageManagerService.java revision 76bf60ead8132b86436ebbba40eaa8f2c8bbe812
1/* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.pm; 18 19import static android.Manifest.permission.GRANT_REVOKE_PERMISSIONS; 20import static android.Manifest.permission.READ_EXTERNAL_STORAGE; 21import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DEFAULT; 22import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED; 23import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED; 24import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_DISABLED_USER; 25import static android.content.pm.PackageManager.COMPONENT_ENABLED_STATE_ENABLED; 26import static android.content.pm.PackageManager.INSTALL_EXTERNAL; 27import static android.content.pm.PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 28import static android.content.pm.PackageManager.INSTALL_FAILED_CONFLICTING_PROVIDER; 29import static android.content.pm.PackageManager.INSTALL_FAILED_DEXOPT; 30import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PACKAGE; 31import static android.content.pm.PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION; 32import static android.content.pm.PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 33import static android.content.pm.PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 34import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_APK; 35import static android.content.pm.PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 36import static android.content.pm.PackageManager.INSTALL_FAILED_MISSING_SHARED_LIBRARY; 37import static android.content.pm.PackageManager.INSTALL_FAILED_PACKAGE_CHANGED; 38import static android.content.pm.PackageManager.INSTALL_FAILED_REPLACE_COULDNT_DELETE; 39import static android.content.pm.PackageManager.INSTALL_FAILED_SHARED_USER_INCOMPATIBLE; 40import static android.content.pm.PackageManager.INSTALL_FAILED_TEST_ONLY; 41import static android.content.pm.PackageManager.INSTALL_FAILED_UID_CHANGED; 42import static android.content.pm.PackageManager.INSTALL_FAILED_UPDATE_INCOMPATIBLE; 43import static android.content.pm.PackageManager.INSTALL_FAILED_USER_RESTRICTED; 44import static android.content.pm.PackageManager.INSTALL_FORWARD_LOCK; 45import static android.content.pm.PackageManager.INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES; 46import static android.content.pm.PackageParser.isApkFile; 47import static android.os.Process.PACKAGE_INFO_GID; 48import static android.os.Process.SYSTEM_UID; 49import static android.system.OsConstants.O_CREAT; 50import static android.system.OsConstants.O_RDWR; 51import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_MANAGED_PROFILE; 52import static com.android.internal.app.IntentForwarderActivity.FORWARD_INTENT_TO_USER_OWNER; 53import static com.android.internal.content.NativeLibraryHelper.LIB64_DIR_NAME; 54import static com.android.internal.content.NativeLibraryHelper.LIB_DIR_NAME; 55import static com.android.internal.util.ArrayUtils.appendInt; 56import static com.android.internal.util.ArrayUtils.removeInt; 57 58import android.util.ArrayMap; 59 60import com.android.internal.R; 61import com.android.internal.app.IMediaContainerService; 62import com.android.internal.app.ResolverActivity; 63import com.android.internal.content.NativeLibraryHelper; 64import com.android.internal.content.PackageHelper; 65import com.android.internal.os.IParcelFileDescriptorFactory; 66import com.android.internal.util.ArrayUtils; 67import com.android.internal.util.FastPrintWriter; 68import com.android.internal.util.FastXmlSerializer; 69import com.android.internal.util.IndentingPrintWriter; 70import com.android.server.EventLogTags; 71import com.android.server.IntentResolver; 72import com.android.server.LocalServices; 73import com.android.server.ServiceThread; 74import com.android.server.SystemConfig; 75import com.android.server.Watchdog; 76import com.android.server.pm.Settings.DatabaseVersion; 77import com.android.server.storage.DeviceStorageMonitorInternal; 78 79import org.xmlpull.v1.XmlSerializer; 80 81import android.app.ActivityManager; 82import android.app.ActivityManagerNative; 83import android.app.AppGlobals; 84import android.app.IActivityManager; 85import android.app.admin.IDevicePolicyManager; 86import android.app.backup.IBackupManager; 87import android.content.BroadcastReceiver; 88import android.content.ComponentName; 89import android.content.Context; 90import android.content.IIntentReceiver; 91import android.content.Intent; 92import android.content.IntentFilter; 93import android.content.IntentSender; 94import android.content.IntentSender.SendIntentException; 95import android.content.ServiceConnection; 96import android.content.pm.ActivityInfo; 97import android.content.pm.ApplicationInfo; 98import android.content.pm.FeatureInfo; 99import android.content.pm.IPackageDataObserver; 100import android.content.pm.IPackageDeleteObserver; 101import android.content.pm.IPackageDeleteObserver2; 102import android.content.pm.IPackageInstallObserver2; 103import android.content.pm.IPackageInstaller; 104import android.content.pm.IPackageManager; 105import android.content.pm.IPackageMoveObserver; 106import android.content.pm.IPackageStatsObserver; 107import android.content.pm.InstrumentationInfo; 108import android.content.pm.KeySet; 109import android.content.pm.ManifestDigest; 110import android.content.pm.PackageCleanItem; 111import android.content.pm.PackageInfo; 112import android.content.pm.PackageInfoLite; 113import android.content.pm.PackageInstaller; 114import android.content.pm.PackageManager; 115import android.content.pm.PackageManager.LegacyPackageDeleteObserver; 116import android.content.pm.PackageParser.ActivityIntentInfo; 117import android.content.pm.PackageParser.PackageLite; 118import android.content.pm.PackageParser.PackageParserException; 119import android.content.pm.PackageParser; 120import android.content.pm.PackageStats; 121import android.content.pm.PackageUserState; 122import android.content.pm.ParceledListSlice; 123import android.content.pm.PermissionGroupInfo; 124import android.content.pm.PermissionInfo; 125import android.content.pm.ProviderInfo; 126import android.content.pm.ResolveInfo; 127import android.content.pm.ServiceInfo; 128import android.content.pm.Signature; 129import android.content.pm.UserInfo; 130import android.content.pm.VerificationParams; 131import android.content.pm.VerifierDeviceIdentity; 132import android.content.pm.VerifierInfo; 133import android.content.res.Resources; 134import android.hardware.display.DisplayManager; 135import android.net.Uri; 136import android.os.Binder; 137import android.os.Build; 138import android.os.Bundle; 139import android.os.Environment; 140import android.os.Environment.UserEnvironment; 141import android.os.storage.StorageManager; 142import android.os.Debug; 143import android.os.FileUtils; 144import android.os.Handler; 145import android.os.IBinder; 146import android.os.Looper; 147import android.os.Message; 148import android.os.Parcel; 149import android.os.ParcelFileDescriptor; 150import android.os.Process; 151import android.os.RemoteException; 152import android.os.SELinux; 153import android.os.ServiceManager; 154import android.os.SystemClock; 155import android.os.SystemProperties; 156import android.os.UserHandle; 157import android.os.UserManager; 158import android.security.KeyStore; 159import android.security.SystemKeyStore; 160import android.system.ErrnoException; 161import android.system.Os; 162import android.system.StructStat; 163import android.text.TextUtils; 164import android.util.ArraySet; 165import android.util.AtomicFile; 166import android.util.DisplayMetrics; 167import android.util.EventLog; 168import android.util.ExceptionUtils; 169import android.util.Log; 170import android.util.LogPrinter; 171import android.util.PrintStreamPrinter; 172import android.util.Slog; 173import android.util.SparseArray; 174import android.util.SparseBooleanArray; 175import android.view.Display; 176 177import java.io.BufferedInputStream; 178import java.io.BufferedOutputStream; 179import java.io.BufferedReader; 180import java.io.File; 181import java.io.FileDescriptor; 182import java.io.FileInputStream; 183import java.io.FileNotFoundException; 184import java.io.FileOutputStream; 185import java.io.FileReader; 186import java.io.FilenameFilter; 187import java.io.IOException; 188import java.io.InputStream; 189import java.io.PrintWriter; 190import java.nio.charset.StandardCharsets; 191import java.security.NoSuchAlgorithmException; 192import java.security.PublicKey; 193import java.security.cert.CertificateEncodingException; 194import java.security.cert.CertificateException; 195import java.text.SimpleDateFormat; 196import java.util.ArrayList; 197import java.util.Arrays; 198import java.util.Collection; 199import java.util.Collections; 200import java.util.Comparator; 201import java.util.Date; 202import java.util.HashMap; 203import java.util.HashSet; 204import java.util.Iterator; 205import java.util.List; 206import java.util.Map; 207import java.util.Objects; 208import java.util.Set; 209import java.util.concurrent.atomic.AtomicBoolean; 210import java.util.concurrent.atomic.AtomicLong; 211 212import dalvik.system.DexFile; 213import dalvik.system.StaleDexCacheError; 214import dalvik.system.VMRuntime; 215 216import libcore.io.IoUtils; 217import libcore.util.EmptyArray; 218 219/** 220 * Keep track of all those .apks everywhere. 221 * 222 * This is very central to the platform's security; please run the unit 223 * tests whenever making modifications here: 224 * 225mmm frameworks/base/tests/AndroidTests 226adb install -r -f out/target/product/passion/data/app/AndroidTests.apk 227adb shell am instrument -w -e class com.android.unit_tests.PackageManagerTests com.android.unit_tests/android.test.InstrumentationTestRunner 228 * 229 * {@hide} 230 */ 231public class PackageManagerService extends IPackageManager.Stub { 232 static final String TAG = "PackageManager"; 233 static final boolean DEBUG_SETTINGS = false; 234 static final boolean DEBUG_PREFERRED = false; 235 static final boolean DEBUG_UPGRADE = false; 236 private static final boolean DEBUG_INSTALL = false; 237 private static final boolean DEBUG_REMOVE = false; 238 private static final boolean DEBUG_BROADCASTS = false; 239 private static final boolean DEBUG_SHOW_INFO = false; 240 private static final boolean DEBUG_PACKAGE_INFO = false; 241 private static final boolean DEBUG_INTENT_MATCHING = false; 242 private static final boolean DEBUG_PACKAGE_SCANNING = false; 243 private static final boolean DEBUG_VERIFY = false; 244 private static final boolean DEBUG_DEXOPT = false; 245 private static final boolean DEBUG_ABI_SELECTION = false; 246 247 private static final int RADIO_UID = Process.PHONE_UID; 248 private static final int LOG_UID = Process.LOG_UID; 249 private static final int NFC_UID = Process.NFC_UID; 250 private static final int BLUETOOTH_UID = Process.BLUETOOTH_UID; 251 private static final int SHELL_UID = Process.SHELL_UID; 252 253 // Cap the size of permission trees that 3rd party apps can define 254 private static final int MAX_PERMISSION_TREE_FOOTPRINT = 32768; // characters of text 255 256 // Suffix used during package installation when copying/moving 257 // package apks to install directory. 258 private static final String INSTALL_PACKAGE_SUFFIX = "-"; 259 260 static final int SCAN_NO_DEX = 1<<1; 261 static final int SCAN_FORCE_DEX = 1<<2; 262 static final int SCAN_UPDATE_SIGNATURE = 1<<3; 263 static final int SCAN_NEW_INSTALL = 1<<4; 264 static final int SCAN_NO_PATHS = 1<<5; 265 static final int SCAN_UPDATE_TIME = 1<<6; 266 static final int SCAN_DEFER_DEX = 1<<7; 267 static final int SCAN_BOOTING = 1<<8; 268 static final int SCAN_TRUSTED_OVERLAY = 1<<9; 269 static final int SCAN_DELETE_DATA_ON_FAILURES = 1<<10; 270 static final int SCAN_REPLACING = 1<<11; 271 272 static final int REMOVE_CHATTY = 1<<16; 273 274 /** 275 * Timeout (in milliseconds) after which the watchdog should declare that 276 * our handler thread is wedged. The usual default for such things is one 277 * minute but we sometimes do very lengthy I/O operations on this thread, 278 * such as installing multi-gigabyte applications, so ours needs to be longer. 279 */ 280 private static final long WATCHDOG_TIMEOUT = 1000*60*10; // ten minutes 281 282 /** 283 * Whether verification is enabled by default. 284 */ 285 private static final boolean DEFAULT_VERIFY_ENABLE = true; 286 287 /** 288 * The default maximum time to wait for the verification agent to return in 289 * milliseconds. 290 */ 291 private static final long DEFAULT_VERIFICATION_TIMEOUT = 10 * 1000; 292 293 /** 294 * The default response for package verification timeout. 295 * 296 * This can be either PackageManager.VERIFICATION_ALLOW or 297 * PackageManager.VERIFICATION_REJECT. 298 */ 299 private static final int DEFAULT_VERIFICATION_RESPONSE = PackageManager.VERIFICATION_ALLOW; 300 301 static final String DEFAULT_CONTAINER_PACKAGE = "com.android.defcontainer"; 302 303 static final ComponentName DEFAULT_CONTAINER_COMPONENT = new ComponentName( 304 DEFAULT_CONTAINER_PACKAGE, 305 "com.android.defcontainer.DefaultContainerService"); 306 307 private static final String PACKAGE_MIME_TYPE = "application/vnd.android.package-archive"; 308 309 private static final String VENDOR_OVERLAY_DIR = "/vendor/overlay"; 310 311 private static String sPreferredInstructionSet; 312 313 final ServiceThread mHandlerThread; 314 315 private static final String IDMAP_PREFIX = "/data/resource-cache/"; 316 private static final String IDMAP_SUFFIX = "@idmap"; 317 318 final PackageHandler mHandler; 319 320 /** 321 * Messages for {@link #mHandler} that need to wait for system ready before 322 * being dispatched. 323 */ 324 private ArrayList<Message> mPostSystemReadyMessages; 325 326 final int mSdkVersion = Build.VERSION.SDK_INT; 327 328 final Context mContext; 329 final boolean mFactoryTest; 330 final boolean mOnlyCore; 331 final boolean mLazyDexOpt; 332 final DisplayMetrics mMetrics; 333 final int mDefParseFlags; 334 final String[] mSeparateProcesses; 335 336 // This is where all application persistent data goes. 337 final File mAppDataDir; 338 339 // This is where all application persistent data goes for secondary users. 340 final File mUserAppDataDir; 341 342 /** The location for ASEC container files on internal storage. */ 343 final String mAsecInternalPath; 344 345 // Used for privilege escalation. MUST NOT BE CALLED WITH mPackages 346 // LOCK HELD. Can be called with mInstallLock held. 347 final Installer mInstaller; 348 349 /** Directory where installed third-party apps stored */ 350 final File mAppInstallDir; 351 352 /** 353 * Directory to which applications installed internally have their 354 * 32 bit native libraries copied. 355 */ 356 private File mAppLib32InstallDir; 357 358 // Directory containing the private parts (e.g. code and non-resource assets) of forward-locked 359 // apps. 360 final File mDrmAppPrivateInstallDir; 361 362 // ---------------------------------------------------------------- 363 364 // Lock for state used when installing and doing other long running 365 // operations. Methods that must be called with this lock held have 366 // the suffix "LI". 367 final Object mInstallLock = new Object(); 368 369 // ---------------------------------------------------------------- 370 371 // Keys are String (package name), values are Package. This also serves 372 // as the lock for the global state. Methods that must be called with 373 // this lock held have the prefix "LP". 374 final HashMap<String, PackageParser.Package> mPackages = 375 new HashMap<String, PackageParser.Package>(); 376 377 // Tracks available target package names -> overlay package paths. 378 final HashMap<String, HashMap<String, PackageParser.Package>> mOverlays = 379 new HashMap<String, HashMap<String, PackageParser.Package>>(); 380 381 final Settings mSettings; 382 boolean mRestoredSettings; 383 384 // System configuration read by SystemConfig. 385 final int[] mGlobalGids; 386 final SparseArray<HashSet<String>> mSystemPermissions; 387 final HashMap<String, FeatureInfo> mAvailableFeatures; 388 389 // If mac_permissions.xml was found for seinfo labeling. 390 boolean mFoundPolicyFile; 391 392 // If a recursive restorecon of /data/data/<pkg> is needed. 393 private boolean mShouldRestoreconData = SELinuxMMAC.shouldRestorecon(); 394 395 public static final class SharedLibraryEntry { 396 public final String path; 397 public final String apk; 398 399 SharedLibraryEntry(String _path, String _apk) { 400 path = _path; 401 apk = _apk; 402 } 403 } 404 405 // Currently known shared libraries. 406 final HashMap<String, SharedLibraryEntry> mSharedLibraries = 407 new HashMap<String, SharedLibraryEntry>(); 408 409 // All available activities, for your resolving pleasure. 410 final ActivityIntentResolver mActivities = 411 new ActivityIntentResolver(); 412 413 // All available receivers, for your resolving pleasure. 414 final ActivityIntentResolver mReceivers = 415 new ActivityIntentResolver(); 416 417 // All available services, for your resolving pleasure. 418 final ServiceIntentResolver mServices = new ServiceIntentResolver(); 419 420 // All available providers, for your resolving pleasure. 421 final ProviderIntentResolver mProviders = new ProviderIntentResolver(); 422 423 // Mapping from provider base names (first directory in content URI codePath) 424 // to the provider information. 425 final HashMap<String, PackageParser.Provider> mProvidersByAuthority = 426 new HashMap<String, PackageParser.Provider>(); 427 428 // Mapping from instrumentation class names to info about them. 429 final HashMap<ComponentName, PackageParser.Instrumentation> mInstrumentation = 430 new HashMap<ComponentName, PackageParser.Instrumentation>(); 431 432 // Mapping from permission names to info about them. 433 final HashMap<String, PackageParser.PermissionGroup> mPermissionGroups = 434 new HashMap<String, PackageParser.PermissionGroup>(); 435 436 // Packages whose data we have transfered into another package, thus 437 // should no longer exist. 438 final HashSet<String> mTransferedPackages = new HashSet<String>(); 439 440 // Broadcast actions that are only available to the system. 441 final HashSet<String> mProtectedBroadcasts = new HashSet<String>(); 442 443 /** List of packages waiting for verification. */ 444 final SparseArray<PackageVerificationState> mPendingVerification 445 = new SparseArray<PackageVerificationState>(); 446 447 /** Set of packages associated with each app op permission. */ 448 final ArrayMap<String, ArraySet<String>> mAppOpPermissionPackages = new ArrayMap<>(); 449 450 final PackageInstallerService mInstallerService; 451 452 HashSet<PackageParser.Package> mDeferredDexOpt = null; 453 454 // Cache of users who need badging. 455 SparseBooleanArray mUserNeedsBadging = new SparseBooleanArray(); 456 457 /** Token for keys in mPendingVerification. */ 458 private int mPendingVerificationToken = 0; 459 460 volatile boolean mSystemReady; 461 volatile boolean mSafeMode; 462 volatile boolean mHasSystemUidErrors; 463 464 ApplicationInfo mAndroidApplication; 465 final ActivityInfo mResolveActivity = new ActivityInfo(); 466 final ResolveInfo mResolveInfo = new ResolveInfo(); 467 ComponentName mResolveComponentName; 468 PackageParser.Package mPlatformPackage; 469 ComponentName mCustomResolverComponentName; 470 471 boolean mResolverReplaced = false; 472 473 // Set of pending broadcasts for aggregating enable/disable of components. 474 static class PendingPackageBroadcasts { 475 // for each user id, a map of <package name -> components within that package> 476 final SparseArray<HashMap<String, ArrayList<String>>> mUidMap; 477 478 public PendingPackageBroadcasts() { 479 mUidMap = new SparseArray<HashMap<String, ArrayList<String>>>(2); 480 } 481 482 public ArrayList<String> get(int userId, String packageName) { 483 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 484 return packages.get(packageName); 485 } 486 487 public void put(int userId, String packageName, ArrayList<String> components) { 488 HashMap<String, ArrayList<String>> packages = getOrAllocate(userId); 489 packages.put(packageName, components); 490 } 491 492 public void remove(int userId, String packageName) { 493 HashMap<String, ArrayList<String>> packages = mUidMap.get(userId); 494 if (packages != null) { 495 packages.remove(packageName); 496 } 497 } 498 499 public void remove(int userId) { 500 mUidMap.remove(userId); 501 } 502 503 public int userIdCount() { 504 return mUidMap.size(); 505 } 506 507 public int userIdAt(int n) { 508 return mUidMap.keyAt(n); 509 } 510 511 public HashMap<String, ArrayList<String>> packagesForUserId(int userId) { 512 return mUidMap.get(userId); 513 } 514 515 public int size() { 516 // total number of pending broadcast entries across all userIds 517 int num = 0; 518 for (int i = 0; i< mUidMap.size(); i++) { 519 num += mUidMap.valueAt(i).size(); 520 } 521 return num; 522 } 523 524 public void clear() { 525 mUidMap.clear(); 526 } 527 528 private HashMap<String, ArrayList<String>> getOrAllocate(int userId) { 529 HashMap<String, ArrayList<String>> map = mUidMap.get(userId); 530 if (map == null) { 531 map = new HashMap<String, ArrayList<String>>(); 532 mUidMap.put(userId, map); 533 } 534 return map; 535 } 536 } 537 final PendingPackageBroadcasts mPendingBroadcasts = new PendingPackageBroadcasts(); 538 539 // Service Connection to remote media container service to copy 540 // package uri's from external media onto secure containers 541 // or internal storage. 542 private IMediaContainerService mContainerService = null; 543 544 static final int SEND_PENDING_BROADCAST = 1; 545 static final int MCS_BOUND = 3; 546 static final int END_COPY = 4; 547 static final int INIT_COPY = 5; 548 static final int MCS_UNBIND = 6; 549 static final int START_CLEANING_PACKAGE = 7; 550 static final int FIND_INSTALL_LOC = 8; 551 static final int POST_INSTALL = 9; 552 static final int MCS_RECONNECT = 10; 553 static final int MCS_GIVE_UP = 11; 554 static final int UPDATED_MEDIA_STATUS = 12; 555 static final int WRITE_SETTINGS = 13; 556 static final int WRITE_PACKAGE_RESTRICTIONS = 14; 557 static final int PACKAGE_VERIFIED = 15; 558 static final int CHECK_PENDING_VERIFICATION = 16; 559 560 static final int WRITE_SETTINGS_DELAY = 10*1000; // 10 seconds 561 562 // Delay time in millisecs 563 static final int BROADCAST_DELAY = 10 * 1000; 564 565 static UserManagerService sUserManager; 566 567 // Stores a list of users whose package restrictions file needs to be updated 568 private HashSet<Integer> mDirtyUsers = new HashSet<Integer>(); 569 570 final private DefaultContainerConnection mDefContainerConn = 571 new DefaultContainerConnection(); 572 class DefaultContainerConnection implements ServiceConnection { 573 public void onServiceConnected(ComponentName name, IBinder service) { 574 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceConnected"); 575 IMediaContainerService imcs = 576 IMediaContainerService.Stub.asInterface(service); 577 mHandler.sendMessage(mHandler.obtainMessage(MCS_BOUND, imcs)); 578 } 579 580 public void onServiceDisconnected(ComponentName name) { 581 if (DEBUG_SD_INSTALL) Log.i(TAG, "onServiceDisconnected"); 582 } 583 }; 584 585 // Recordkeeping of restore-after-install operations that are currently in flight 586 // between the Package Manager and the Backup Manager 587 class PostInstallData { 588 public InstallArgs args; 589 public PackageInstalledInfo res; 590 591 PostInstallData(InstallArgs _a, PackageInstalledInfo _r) { 592 args = _a; 593 res = _r; 594 } 595 }; 596 final SparseArray<PostInstallData> mRunningInstalls = new SparseArray<PostInstallData>(); 597 int mNextInstallToken = 1; // nonzero; will be wrapped back to 1 when ++ overflows 598 599 private final String mRequiredVerifierPackage; 600 601 private final PackageUsage mPackageUsage = new PackageUsage(); 602 603 private class PackageUsage { 604 private static final int WRITE_INTERVAL 605 = (DEBUG_DEXOPT) ? 0 : 30*60*1000; // 30m in ms 606 607 private final Object mFileLock = new Object(); 608 private final AtomicLong mLastWritten = new AtomicLong(0); 609 private final AtomicBoolean mBackgroundWriteRunning = new AtomicBoolean(false); 610 611 private boolean mIsHistoricalPackageUsageAvailable = true; 612 613 boolean isHistoricalPackageUsageAvailable() { 614 return mIsHistoricalPackageUsageAvailable; 615 } 616 617 void write(boolean force) { 618 if (force) { 619 writeInternal(); 620 return; 621 } 622 if (SystemClock.elapsedRealtime() - mLastWritten.get() < WRITE_INTERVAL 623 && !DEBUG_DEXOPT) { 624 return; 625 } 626 if (mBackgroundWriteRunning.compareAndSet(false, true)) { 627 new Thread("PackageUsage_DiskWriter") { 628 @Override 629 public void run() { 630 try { 631 writeInternal(); 632 } finally { 633 mBackgroundWriteRunning.set(false); 634 } 635 } 636 }.start(); 637 } 638 } 639 640 private void writeInternal() { 641 synchronized (mPackages) { 642 synchronized (mFileLock) { 643 AtomicFile file = getFile(); 644 FileOutputStream f = null; 645 try { 646 f = file.startWrite(); 647 BufferedOutputStream out = new BufferedOutputStream(f); 648 FileUtils.setPermissions(file.getBaseFile().getPath(), 0660, SYSTEM_UID, PACKAGE_INFO_GID); 649 StringBuilder sb = new StringBuilder(); 650 for (PackageParser.Package pkg : mPackages.values()) { 651 if (pkg.mLastPackageUsageTimeInMills == 0) { 652 continue; 653 } 654 sb.setLength(0); 655 sb.append(pkg.packageName); 656 sb.append(' '); 657 sb.append((long)pkg.mLastPackageUsageTimeInMills); 658 sb.append('\n'); 659 out.write(sb.toString().getBytes(StandardCharsets.US_ASCII)); 660 } 661 out.flush(); 662 file.finishWrite(f); 663 } catch (IOException e) { 664 if (f != null) { 665 file.failWrite(f); 666 } 667 Log.e(TAG, "Failed to write package usage times", e); 668 } 669 } 670 } 671 mLastWritten.set(SystemClock.elapsedRealtime()); 672 } 673 674 void readLP() { 675 synchronized (mFileLock) { 676 AtomicFile file = getFile(); 677 BufferedInputStream in = null; 678 try { 679 in = new BufferedInputStream(file.openRead()); 680 StringBuffer sb = new StringBuffer(); 681 while (true) { 682 String packageName = readToken(in, sb, ' '); 683 if (packageName == null) { 684 break; 685 } 686 String timeInMillisString = readToken(in, sb, '\n'); 687 if (timeInMillisString == null) { 688 throw new IOException("Failed to find last usage time for package " 689 + packageName); 690 } 691 PackageParser.Package pkg = mPackages.get(packageName); 692 if (pkg == null) { 693 continue; 694 } 695 long timeInMillis; 696 try { 697 timeInMillis = Long.parseLong(timeInMillisString.toString()); 698 } catch (NumberFormatException e) { 699 throw new IOException("Failed to parse " + timeInMillisString 700 + " as a long.", e); 701 } 702 pkg.mLastPackageUsageTimeInMills = timeInMillis; 703 } 704 } catch (FileNotFoundException expected) { 705 mIsHistoricalPackageUsageAvailable = false; 706 } catch (IOException e) { 707 Log.w(TAG, "Failed to read package usage times", e); 708 } finally { 709 IoUtils.closeQuietly(in); 710 } 711 } 712 mLastWritten.set(SystemClock.elapsedRealtime()); 713 } 714 715 private String readToken(InputStream in, StringBuffer sb, char endOfToken) 716 throws IOException { 717 sb.setLength(0); 718 while (true) { 719 int ch = in.read(); 720 if (ch == -1) { 721 if (sb.length() == 0) { 722 return null; 723 } 724 throw new IOException("Unexpected EOF"); 725 } 726 if (ch == endOfToken) { 727 return sb.toString(); 728 } 729 sb.append((char)ch); 730 } 731 } 732 733 private AtomicFile getFile() { 734 File dataDir = Environment.getDataDirectory(); 735 File systemDir = new File(dataDir, "system"); 736 File fname = new File(systemDir, "package-usage.list"); 737 return new AtomicFile(fname); 738 } 739 } 740 741 class PackageHandler extends Handler { 742 private boolean mBound = false; 743 final ArrayList<HandlerParams> mPendingInstalls = 744 new ArrayList<HandlerParams>(); 745 746 private boolean connectToService() { 747 if (DEBUG_SD_INSTALL) Log.i(TAG, "Trying to bind to" + 748 " DefaultContainerService"); 749 Intent service = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 750 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 751 if (mContext.bindServiceAsUser(service, mDefContainerConn, 752 Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 753 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 754 mBound = true; 755 return true; 756 } 757 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 758 return false; 759 } 760 761 private void disconnectService() { 762 mContainerService = null; 763 mBound = false; 764 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 765 mContext.unbindService(mDefContainerConn); 766 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 767 } 768 769 PackageHandler(Looper looper) { 770 super(looper); 771 } 772 773 public void handleMessage(Message msg) { 774 try { 775 doHandleMessage(msg); 776 } finally { 777 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 778 } 779 } 780 781 void doHandleMessage(Message msg) { 782 switch (msg.what) { 783 case INIT_COPY: { 784 HandlerParams params = (HandlerParams) msg.obj; 785 int idx = mPendingInstalls.size(); 786 if (DEBUG_INSTALL) Slog.i(TAG, "init_copy idx=" + idx + ": " + params); 787 // If a bind was already initiated we dont really 788 // need to do anything. The pending install 789 // will be processed later on. 790 if (!mBound) { 791 // If this is the only one pending we might 792 // have to bind to the service again. 793 if (!connectToService()) { 794 Slog.e(TAG, "Failed to bind to media container service"); 795 params.serviceError(); 796 return; 797 } else { 798 // Once we bind to the service, the first 799 // pending request will be processed. 800 mPendingInstalls.add(idx, params); 801 } 802 } else { 803 mPendingInstalls.add(idx, params); 804 // Already bound to the service. Just make 805 // sure we trigger off processing the first request. 806 if (idx == 0) { 807 mHandler.sendEmptyMessage(MCS_BOUND); 808 } 809 } 810 break; 811 } 812 case MCS_BOUND: { 813 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_bound"); 814 if (msg.obj != null) { 815 mContainerService = (IMediaContainerService) msg.obj; 816 } 817 if (mContainerService == null) { 818 // Something seriously wrong. Bail out 819 Slog.e(TAG, "Cannot bind to media container service"); 820 for (HandlerParams params : mPendingInstalls) { 821 // Indicate service bind error 822 params.serviceError(); 823 } 824 mPendingInstalls.clear(); 825 } else if (mPendingInstalls.size() > 0) { 826 HandlerParams params = mPendingInstalls.get(0); 827 if (params != null) { 828 if (params.startCopy()) { 829 // We are done... look for more work or to 830 // go idle. 831 if (DEBUG_SD_INSTALL) Log.i(TAG, 832 "Checking for more work or unbind..."); 833 // Delete pending install 834 if (mPendingInstalls.size() > 0) { 835 mPendingInstalls.remove(0); 836 } 837 if (mPendingInstalls.size() == 0) { 838 if (mBound) { 839 if (DEBUG_SD_INSTALL) Log.i(TAG, 840 "Posting delayed MCS_UNBIND"); 841 removeMessages(MCS_UNBIND); 842 Message ubmsg = obtainMessage(MCS_UNBIND); 843 // Unbind after a little delay, to avoid 844 // continual thrashing. 845 sendMessageDelayed(ubmsg, 10000); 846 } 847 } else { 848 // There are more pending requests in queue. 849 // Just post MCS_BOUND message to trigger processing 850 // of next pending install. 851 if (DEBUG_SD_INSTALL) Log.i(TAG, 852 "Posting MCS_BOUND for next work"); 853 mHandler.sendEmptyMessage(MCS_BOUND); 854 } 855 } 856 } 857 } else { 858 // Should never happen ideally. 859 Slog.w(TAG, "Empty queue"); 860 } 861 break; 862 } 863 case MCS_RECONNECT: { 864 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_reconnect"); 865 if (mPendingInstalls.size() > 0) { 866 if (mBound) { 867 disconnectService(); 868 } 869 if (!connectToService()) { 870 Slog.e(TAG, "Failed to bind to media container service"); 871 for (HandlerParams params : mPendingInstalls) { 872 // Indicate service bind error 873 params.serviceError(); 874 } 875 mPendingInstalls.clear(); 876 } 877 } 878 break; 879 } 880 case MCS_UNBIND: { 881 // If there is no actual work left, then time to unbind. 882 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_unbind"); 883 884 if (mPendingInstalls.size() == 0 && mPendingVerification.size() == 0) { 885 if (mBound) { 886 if (DEBUG_INSTALL) Slog.i(TAG, "calling disconnectService()"); 887 888 disconnectService(); 889 } 890 } else if (mPendingInstalls.size() > 0) { 891 // There are more pending requests in queue. 892 // Just post MCS_BOUND message to trigger processing 893 // of next pending install. 894 mHandler.sendEmptyMessage(MCS_BOUND); 895 } 896 897 break; 898 } 899 case MCS_GIVE_UP: { 900 if (DEBUG_INSTALL) Slog.i(TAG, "mcs_giveup too many retries"); 901 mPendingInstalls.remove(0); 902 break; 903 } 904 case SEND_PENDING_BROADCAST: { 905 String packages[]; 906 ArrayList<String> components[]; 907 int size = 0; 908 int uids[]; 909 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 910 synchronized (mPackages) { 911 if (mPendingBroadcasts == null) { 912 return; 913 } 914 size = mPendingBroadcasts.size(); 915 if (size <= 0) { 916 // Nothing to be done. Just return 917 return; 918 } 919 packages = new String[size]; 920 components = new ArrayList[size]; 921 uids = new int[size]; 922 int i = 0; // filling out the above arrays 923 924 for (int n = 0; n < mPendingBroadcasts.userIdCount(); n++) { 925 int packageUserId = mPendingBroadcasts.userIdAt(n); 926 Iterator<Map.Entry<String, ArrayList<String>>> it 927 = mPendingBroadcasts.packagesForUserId(packageUserId) 928 .entrySet().iterator(); 929 while (it.hasNext() && i < size) { 930 Map.Entry<String, ArrayList<String>> ent = it.next(); 931 packages[i] = ent.getKey(); 932 components[i] = ent.getValue(); 933 PackageSetting ps = mSettings.mPackages.get(ent.getKey()); 934 uids[i] = (ps != null) 935 ? UserHandle.getUid(packageUserId, ps.appId) 936 : -1; 937 i++; 938 } 939 } 940 size = i; 941 mPendingBroadcasts.clear(); 942 } 943 // Send broadcasts 944 for (int i = 0; i < size; i++) { 945 sendPackageChangedBroadcast(packages[i], true, components[i], uids[i]); 946 } 947 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 948 break; 949 } 950 case START_CLEANING_PACKAGE: { 951 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 952 final String packageName = (String)msg.obj; 953 final int userId = msg.arg1; 954 final boolean andCode = msg.arg2 != 0; 955 synchronized (mPackages) { 956 if (userId == UserHandle.USER_ALL) { 957 int[] users = sUserManager.getUserIds(); 958 for (int user : users) { 959 mSettings.addPackageToCleanLPw( 960 new PackageCleanItem(user, packageName, andCode)); 961 } 962 } else { 963 mSettings.addPackageToCleanLPw( 964 new PackageCleanItem(userId, packageName, andCode)); 965 } 966 } 967 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 968 startCleaningPackages(); 969 } break; 970 case POST_INSTALL: { 971 if (DEBUG_INSTALL) Log.v(TAG, "Handling post-install for " + msg.arg1); 972 PostInstallData data = mRunningInstalls.get(msg.arg1); 973 mRunningInstalls.delete(msg.arg1); 974 boolean deleteOld = false; 975 976 if (data != null) { 977 InstallArgs args = data.args; 978 PackageInstalledInfo res = data.res; 979 980 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 981 res.removedInfo.sendBroadcast(false, true, false); 982 Bundle extras = new Bundle(1); 983 extras.putInt(Intent.EXTRA_UID, res.uid); 984 // Determine the set of users who are adding this 985 // package for the first time vs. those who are seeing 986 // an update. 987 int[] firstUsers; 988 int[] updateUsers = new int[0]; 989 if (res.origUsers == null || res.origUsers.length == 0) { 990 firstUsers = res.newUsers; 991 } else { 992 firstUsers = new int[0]; 993 for (int i=0; i<res.newUsers.length; i++) { 994 int user = res.newUsers[i]; 995 boolean isNew = true; 996 for (int j=0; j<res.origUsers.length; j++) { 997 if (res.origUsers[j] == user) { 998 isNew = false; 999 break; 1000 } 1001 } 1002 if (isNew) { 1003 int[] newFirst = new int[firstUsers.length+1]; 1004 System.arraycopy(firstUsers, 0, newFirst, 0, 1005 firstUsers.length); 1006 newFirst[firstUsers.length] = user; 1007 firstUsers = newFirst; 1008 } else { 1009 int[] newUpdate = new int[updateUsers.length+1]; 1010 System.arraycopy(updateUsers, 0, newUpdate, 0, 1011 updateUsers.length); 1012 newUpdate[updateUsers.length] = user; 1013 updateUsers = newUpdate; 1014 } 1015 } 1016 } 1017 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1018 res.pkg.applicationInfo.packageName, 1019 extras, null, null, firstUsers); 1020 final boolean update = res.removedInfo.removedPackage != null; 1021 if (update) { 1022 extras.putBoolean(Intent.EXTRA_REPLACING, true); 1023 } 1024 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 1025 res.pkg.applicationInfo.packageName, 1026 extras, null, null, updateUsers); 1027 if (update) { 1028 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, 1029 res.pkg.applicationInfo.packageName, 1030 extras, null, null, updateUsers); 1031 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, 1032 null, null, 1033 res.pkg.applicationInfo.packageName, null, updateUsers); 1034 1035 // treat asec-hosted packages like removable media on upgrade 1036 if (isForwardLocked(res.pkg) || isExternal(res.pkg)) { 1037 if (DEBUG_INSTALL) { 1038 Slog.i(TAG, "upgrading pkg " + res.pkg 1039 + " is ASEC-hosted -> AVAILABLE"); 1040 } 1041 int[] uidArray = new int[] { res.pkg.applicationInfo.uid }; 1042 ArrayList<String> pkgList = new ArrayList<String>(1); 1043 pkgList.add(res.pkg.applicationInfo.packageName); 1044 sendResourcesChangedBroadcast(true, true, 1045 pkgList,uidArray, null); 1046 } 1047 } 1048 if (res.removedInfo.args != null) { 1049 // Remove the replaced package's older resources safely now 1050 deleteOld = true; 1051 } 1052 1053 // Log current value of "unknown sources" setting 1054 EventLog.writeEvent(EventLogTags.UNKNOWN_SOURCES_ENABLED, 1055 getUnknownSourcesSettings()); 1056 } 1057 // Force a gc to clear up things 1058 Runtime.getRuntime().gc(); 1059 // We delete after a gc for applications on sdcard. 1060 if (deleteOld) { 1061 synchronized (mInstallLock) { 1062 res.removedInfo.args.doPostDeleteLI(true); 1063 } 1064 } 1065 if (args.observer != null) { 1066 try { 1067 Bundle extras = extrasForInstallResult(res); 1068 args.observer.onPackageInstalled(res.name, res.returnCode, 1069 res.returnMsg, extras); 1070 } catch (RemoteException e) { 1071 Slog.i(TAG, "Observer no longer exists."); 1072 } 1073 } 1074 } else { 1075 Slog.e(TAG, "Bogus post-install token " + msg.arg1); 1076 } 1077 } break; 1078 case UPDATED_MEDIA_STATUS: { 1079 if (DEBUG_SD_INSTALL) Log.i(TAG, "Got message UPDATED_MEDIA_STATUS"); 1080 boolean reportStatus = msg.arg1 == 1; 1081 boolean doGc = msg.arg2 == 1; 1082 if (DEBUG_SD_INSTALL) Log.i(TAG, "reportStatus=" + reportStatus + ", doGc = " + doGc); 1083 if (doGc) { 1084 // Force a gc to clear up stale containers. 1085 Runtime.getRuntime().gc(); 1086 } 1087 if (msg.obj != null) { 1088 @SuppressWarnings("unchecked") 1089 Set<AsecInstallArgs> args = (Set<AsecInstallArgs>) msg.obj; 1090 if (DEBUG_SD_INSTALL) Log.i(TAG, "Unloading all containers"); 1091 // Unload containers 1092 unloadAllContainers(args); 1093 } 1094 if (reportStatus) { 1095 try { 1096 if (DEBUG_SD_INSTALL) Log.i(TAG, "Invoking MountService call back"); 1097 PackageHelper.getMountService().finishMediaUpdate(); 1098 } catch (RemoteException e) { 1099 Log.e(TAG, "MountService not running?"); 1100 } 1101 } 1102 } break; 1103 case WRITE_SETTINGS: { 1104 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1105 synchronized (mPackages) { 1106 removeMessages(WRITE_SETTINGS); 1107 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1108 mSettings.writeLPr(); 1109 mDirtyUsers.clear(); 1110 } 1111 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1112 } break; 1113 case WRITE_PACKAGE_RESTRICTIONS: { 1114 Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1115 synchronized (mPackages) { 1116 removeMessages(WRITE_PACKAGE_RESTRICTIONS); 1117 for (int userId : mDirtyUsers) { 1118 mSettings.writePackageRestrictionsLPr(userId); 1119 } 1120 mDirtyUsers.clear(); 1121 } 1122 Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1123 } break; 1124 case CHECK_PENDING_VERIFICATION: { 1125 final int verificationId = msg.arg1; 1126 final PackageVerificationState state = mPendingVerification.get(verificationId); 1127 1128 if ((state != null) && !state.timeoutExtended()) { 1129 final InstallArgs args = state.getInstallArgs(); 1130 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1131 1132 Slog.i(TAG, "Verification timed out for " + originUri); 1133 mPendingVerification.remove(verificationId); 1134 1135 int ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1136 1137 if (getDefaultVerificationResponse() == PackageManager.VERIFICATION_ALLOW) { 1138 Slog.i(TAG, "Continuing with installation of " + originUri); 1139 state.setVerifierResponse(Binder.getCallingUid(), 1140 PackageManager.VERIFICATION_ALLOW_WITHOUT_SUFFICIENT); 1141 broadcastPackageVerified(verificationId, originUri, 1142 PackageManager.VERIFICATION_ALLOW, 1143 state.getInstallArgs().getUser()); 1144 try { 1145 ret = args.copyApk(mContainerService, true); 1146 } catch (RemoteException e) { 1147 Slog.e(TAG, "Could not contact the ContainerService"); 1148 } 1149 } else { 1150 broadcastPackageVerified(verificationId, originUri, 1151 PackageManager.VERIFICATION_REJECT, 1152 state.getInstallArgs().getUser()); 1153 } 1154 1155 processPendingInstall(args, ret); 1156 mHandler.sendEmptyMessage(MCS_UNBIND); 1157 } 1158 break; 1159 } 1160 case PACKAGE_VERIFIED: { 1161 final int verificationId = msg.arg1; 1162 1163 final PackageVerificationState state = mPendingVerification.get(verificationId); 1164 if (state == null) { 1165 Slog.w(TAG, "Invalid verification token " + verificationId + " received"); 1166 break; 1167 } 1168 1169 final PackageVerificationResponse response = (PackageVerificationResponse) msg.obj; 1170 1171 state.setVerifierResponse(response.callerUid, response.code); 1172 1173 if (state.isVerificationComplete()) { 1174 mPendingVerification.remove(verificationId); 1175 1176 final InstallArgs args = state.getInstallArgs(); 1177 final Uri originUri = Uri.fromFile(args.origin.resolvedFile); 1178 1179 int ret; 1180 if (state.isInstallAllowed()) { 1181 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 1182 broadcastPackageVerified(verificationId, originUri, 1183 response.code, state.getInstallArgs().getUser()); 1184 try { 1185 ret = args.copyApk(mContainerService, true); 1186 } catch (RemoteException e) { 1187 Slog.e(TAG, "Could not contact the ContainerService"); 1188 } 1189 } else { 1190 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 1191 } 1192 1193 processPendingInstall(args, ret); 1194 1195 mHandler.sendEmptyMessage(MCS_UNBIND); 1196 } 1197 1198 break; 1199 } 1200 } 1201 } 1202 } 1203 1204 Bundle extrasForInstallResult(PackageInstalledInfo res) { 1205 Bundle extras = null; 1206 switch (res.returnCode) { 1207 case PackageManager.INSTALL_FAILED_DUPLICATE_PERMISSION: { 1208 extras = new Bundle(); 1209 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PERMISSION, 1210 res.origPermission); 1211 extras.putString(PackageManager.EXTRA_FAILURE_EXISTING_PACKAGE, 1212 res.origPackage); 1213 break; 1214 } 1215 } 1216 return extras; 1217 } 1218 1219 void scheduleWriteSettingsLocked() { 1220 if (!mHandler.hasMessages(WRITE_SETTINGS)) { 1221 mHandler.sendEmptyMessageDelayed(WRITE_SETTINGS, WRITE_SETTINGS_DELAY); 1222 } 1223 } 1224 1225 void scheduleWritePackageRestrictionsLocked(int userId) { 1226 if (!sUserManager.exists(userId)) return; 1227 mDirtyUsers.add(userId); 1228 if (!mHandler.hasMessages(WRITE_PACKAGE_RESTRICTIONS)) { 1229 mHandler.sendEmptyMessageDelayed(WRITE_PACKAGE_RESTRICTIONS, WRITE_SETTINGS_DELAY); 1230 } 1231 } 1232 1233 public static final PackageManagerService main(Context context, Installer installer, 1234 boolean factoryTest, boolean onlyCore) { 1235 PackageManagerService m = new PackageManagerService(context, installer, 1236 factoryTest, onlyCore); 1237 ServiceManager.addService("package", m); 1238 return m; 1239 } 1240 1241 static String[] splitString(String str, char sep) { 1242 int count = 1; 1243 int i = 0; 1244 while ((i=str.indexOf(sep, i)) >= 0) { 1245 count++; 1246 i++; 1247 } 1248 1249 String[] res = new String[count]; 1250 i=0; 1251 count = 0; 1252 int lastI=0; 1253 while ((i=str.indexOf(sep, i)) >= 0) { 1254 res[count] = str.substring(lastI, i); 1255 count++; 1256 i++; 1257 lastI = i; 1258 } 1259 res[count] = str.substring(lastI, str.length()); 1260 return res; 1261 } 1262 1263 private static void getDefaultDisplayMetrics(Context context, DisplayMetrics metrics) { 1264 DisplayManager displayManager = (DisplayManager) context.getSystemService( 1265 Context.DISPLAY_SERVICE); 1266 displayManager.getDisplay(Display.DEFAULT_DISPLAY).getMetrics(metrics); 1267 } 1268 1269 public PackageManagerService(Context context, Installer installer, 1270 boolean factoryTest, boolean onlyCore) { 1271 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_START, 1272 SystemClock.uptimeMillis()); 1273 1274 if (mSdkVersion <= 0) { 1275 Slog.w(TAG, "**** ro.build.version.sdk not set!"); 1276 } 1277 1278 mContext = context; 1279 mFactoryTest = factoryTest; 1280 mOnlyCore = onlyCore; 1281 mLazyDexOpt = "eng".equals(SystemProperties.get("ro.build.type")); 1282 mMetrics = new DisplayMetrics(); 1283 mSettings = new Settings(context); 1284 mSettings.addSharedUserLPw("android.uid.system", Process.SYSTEM_UID, 1285 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1286 mSettings.addSharedUserLPw("android.uid.phone", RADIO_UID, 1287 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1288 mSettings.addSharedUserLPw("android.uid.log", LOG_UID, 1289 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1290 mSettings.addSharedUserLPw("android.uid.nfc", NFC_UID, 1291 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1292 mSettings.addSharedUserLPw("android.uid.bluetooth", BLUETOOTH_UID, 1293 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1294 mSettings.addSharedUserLPw("android.uid.shell", SHELL_UID, 1295 ApplicationInfo.FLAG_SYSTEM|ApplicationInfo.FLAG_PRIVILEGED); 1296 1297 String separateProcesses = SystemProperties.get("debug.separate_processes"); 1298 if (separateProcesses != null && separateProcesses.length() > 0) { 1299 if ("*".equals(separateProcesses)) { 1300 mDefParseFlags = PackageParser.PARSE_IGNORE_PROCESSES; 1301 mSeparateProcesses = null; 1302 Slog.w(TAG, "Running with debug.separate_processes: * (ALL)"); 1303 } else { 1304 mDefParseFlags = 0; 1305 mSeparateProcesses = separateProcesses.split(","); 1306 Slog.w(TAG, "Running with debug.separate_processes: " 1307 + separateProcesses); 1308 } 1309 } else { 1310 mDefParseFlags = 0; 1311 mSeparateProcesses = null; 1312 } 1313 1314 mInstaller = installer; 1315 1316 getDefaultDisplayMetrics(context, mMetrics); 1317 1318 SystemConfig systemConfig = SystemConfig.getInstance(); 1319 mGlobalGids = systemConfig.getGlobalGids(); 1320 mSystemPermissions = systemConfig.getSystemPermissions(); 1321 mAvailableFeatures = systemConfig.getAvailableFeatures(); 1322 1323 synchronized (mInstallLock) { 1324 // writer 1325 synchronized (mPackages) { 1326 mHandlerThread = new ServiceThread(TAG, 1327 Process.THREAD_PRIORITY_BACKGROUND, true /*allowIo*/); 1328 mHandlerThread.start(); 1329 mHandler = new PackageHandler(mHandlerThread.getLooper()); 1330 Watchdog.getInstance().addThread(mHandler, WATCHDOG_TIMEOUT); 1331 1332 File dataDir = Environment.getDataDirectory(); 1333 mAppDataDir = new File(dataDir, "data"); 1334 mAppInstallDir = new File(dataDir, "app"); 1335 mAppLib32InstallDir = new File(dataDir, "app-lib"); 1336 mAsecInternalPath = new File(dataDir, "app-asec").getPath(); 1337 mUserAppDataDir = new File(dataDir, "user"); 1338 mDrmAppPrivateInstallDir = new File(dataDir, "app-private"); 1339 1340 sUserManager = new UserManagerService(context, this, 1341 mInstallLock, mPackages); 1342 1343 // Propagate permission configuration in to package manager. 1344 ArrayMap<String, SystemConfig.PermissionEntry> permConfig 1345 = systemConfig.getPermissions(); 1346 for (int i=0; i<permConfig.size(); i++) { 1347 SystemConfig.PermissionEntry perm = permConfig.valueAt(i); 1348 BasePermission bp = mSettings.mPermissions.get(perm.name); 1349 if (bp == null) { 1350 bp = new BasePermission(perm.name, "android", BasePermission.TYPE_BUILTIN); 1351 mSettings.mPermissions.put(perm.name, bp); 1352 } 1353 if (perm.gids != null) { 1354 bp.gids = appendInts(bp.gids, perm.gids); 1355 } 1356 } 1357 1358 ArrayMap<String, String> libConfig = systemConfig.getSharedLibraries(); 1359 for (int i=0; i<libConfig.size(); i++) { 1360 mSharedLibraries.put(libConfig.keyAt(i), 1361 new SharedLibraryEntry(libConfig.valueAt(i), null)); 1362 } 1363 1364 mFoundPolicyFile = SELinuxMMAC.readInstallPolicy(); 1365 1366 mRestoredSettings = mSettings.readLPw(this, sUserManager.getUsers(false), 1367 mSdkVersion, mOnlyCore); 1368 1369 String customResolverActivity = Resources.getSystem().getString( 1370 R.string.config_customResolverActivity); 1371 if (TextUtils.isEmpty(customResolverActivity)) { 1372 customResolverActivity = null; 1373 } else { 1374 mCustomResolverComponentName = ComponentName.unflattenFromString( 1375 customResolverActivity); 1376 } 1377 1378 long startTime = SystemClock.uptimeMillis(); 1379 1380 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SYSTEM_SCAN_START, 1381 startTime); 1382 1383 // Set flag to monitor and not change apk file paths when 1384 // scanning install directories. 1385 final int scanFlags = SCAN_NO_PATHS | SCAN_DEFER_DEX | SCAN_BOOTING; 1386 1387 final HashSet<String> alreadyDexOpted = new HashSet<String>(); 1388 1389 /** 1390 * Add everything in the in the boot class path to the 1391 * list of process files because dexopt will have been run 1392 * if necessary during zygote startup. 1393 */ 1394 final String bootClassPath = System.getenv("BOOTCLASSPATH"); 1395 final String systemServerClassPath = System.getenv("SYSTEMSERVERCLASSPATH"); 1396 1397 if (bootClassPath != null) { 1398 String[] bootClassPathElements = splitString(bootClassPath, ':'); 1399 for (String element : bootClassPathElements) { 1400 alreadyDexOpted.add(element); 1401 } 1402 } else { 1403 Slog.w(TAG, "No BOOTCLASSPATH found!"); 1404 } 1405 1406 if (systemServerClassPath != null) { 1407 String[] systemServerClassPathElements = splitString(systemServerClassPath, ':'); 1408 for (String element : systemServerClassPathElements) { 1409 alreadyDexOpted.add(element); 1410 } 1411 } else { 1412 Slog.w(TAG, "No SYSTEMSERVERCLASSPATH found!"); 1413 } 1414 1415 boolean didDexOptLibraryOrTool = false; 1416 1417 final List<String> allInstructionSets = getAllInstructionSets(); 1418 final String[] dexCodeInstructionSets = 1419 getDexCodeInstructionSets(allInstructionSets.toArray(new String[allInstructionSets.size()])); 1420 1421 /** 1422 * Ensure all external libraries have had dexopt run on them. 1423 */ 1424 if (mSharedLibraries.size() > 0) { 1425 // NOTE: For now, we're compiling these system "shared libraries" 1426 // (and framework jars) into all available architectures. It's possible 1427 // to compile them only when we come across an app that uses them (there's 1428 // already logic for that in scanPackageLI) but that adds some complexity. 1429 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1430 for (SharedLibraryEntry libEntry : mSharedLibraries.values()) { 1431 final String lib = libEntry.path; 1432 if (lib == null) { 1433 continue; 1434 } 1435 1436 try { 1437 byte dexoptRequired = DexFile.isDexOptNeededInternal(lib, null, 1438 dexCodeInstructionSet, 1439 false); 1440 if (dexoptRequired != DexFile.UP_TO_DATE) { 1441 alreadyDexOpted.add(lib); 1442 1443 // The list of "shared libraries" we have at this point is 1444 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1445 mInstaller.dexopt(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1446 } else { 1447 mInstaller.patchoat(lib, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1448 } 1449 didDexOptLibraryOrTool = true; 1450 } 1451 } catch (FileNotFoundException e) { 1452 Slog.w(TAG, "Library not found: " + lib); 1453 } catch (IOException e) { 1454 Slog.w(TAG, "Cannot dexopt " + lib + "; is it an APK or JAR? " 1455 + e.getMessage()); 1456 } 1457 } 1458 } 1459 } 1460 1461 File frameworkDir = new File(Environment.getRootDirectory(), "framework"); 1462 1463 // Gross hack for now: we know this file doesn't contain any 1464 // code, so don't dexopt it to avoid the resulting log spew. 1465 alreadyDexOpted.add(frameworkDir.getPath() + "/framework-res.apk"); 1466 1467 // Gross hack for now: we know this file is only part of 1468 // the boot class path for art, so don't dexopt it to 1469 // avoid the resulting log spew. 1470 alreadyDexOpted.add(frameworkDir.getPath() + "/core-libart.jar"); 1471 1472 /** 1473 * And there are a number of commands implemented in Java, which 1474 * we currently need to do the dexopt on so that they can be 1475 * run from a non-root shell. 1476 */ 1477 String[] frameworkFiles = frameworkDir.list(); 1478 if (frameworkFiles != null) { 1479 // TODO: We could compile these only for the most preferred ABI. We should 1480 // first double check that the dex files for these commands are not referenced 1481 // by other system apps. 1482 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 1483 for (int i=0; i<frameworkFiles.length; i++) { 1484 File libPath = new File(frameworkDir, frameworkFiles[i]); 1485 String path = libPath.getPath(); 1486 // Skip the file if we already did it. 1487 if (alreadyDexOpted.contains(path)) { 1488 continue; 1489 } 1490 // Skip the file if it is not a type we want to dexopt. 1491 if (!path.endsWith(".apk") && !path.endsWith(".jar")) { 1492 continue; 1493 } 1494 try { 1495 byte dexoptRequired = DexFile.isDexOptNeededInternal(path, null, 1496 dexCodeInstructionSet, 1497 false); 1498 if (dexoptRequired == DexFile.DEXOPT_NEEDED) { 1499 mInstaller.dexopt(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1500 didDexOptLibraryOrTool = true; 1501 } else if (dexoptRequired == DexFile.PATCHOAT_NEEDED) { 1502 mInstaller.patchoat(path, Process.SYSTEM_UID, true, dexCodeInstructionSet); 1503 didDexOptLibraryOrTool = true; 1504 } 1505 } catch (FileNotFoundException e) { 1506 Slog.w(TAG, "Jar not found: " + path); 1507 } catch (IOException e) { 1508 Slog.w(TAG, "Exception reading jar: " + path, e); 1509 } 1510 } 1511 } 1512 } 1513 1514 // Collect vendor overlay packages. 1515 // (Do this before scanning any apps.) 1516 // For security and version matching reason, only consider 1517 // overlay packages if they reside in VENDOR_OVERLAY_DIR. 1518 File vendorOverlayDir = new File(VENDOR_OVERLAY_DIR); 1519 scanDirLI(vendorOverlayDir, PackageParser.PARSE_IS_SYSTEM 1520 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags | SCAN_TRUSTED_OVERLAY, 0); 1521 1522 // Find base frameworks (resource packages without code). 1523 scanDirLI(frameworkDir, PackageParser.PARSE_IS_SYSTEM 1524 | PackageParser.PARSE_IS_SYSTEM_DIR 1525 | PackageParser.PARSE_IS_PRIVILEGED, 1526 scanFlags | SCAN_NO_DEX, 0); 1527 1528 // Collected privileged system packages. 1529 final File privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app"); 1530 scanDirLI(privilegedAppDir, PackageParser.PARSE_IS_SYSTEM 1531 | PackageParser.PARSE_IS_SYSTEM_DIR 1532 | PackageParser.PARSE_IS_PRIVILEGED, scanFlags, 0); 1533 1534 // Collect ordinary system packages. 1535 final File systemAppDir = new File(Environment.getRootDirectory(), "app"); 1536 scanDirLI(systemAppDir, PackageParser.PARSE_IS_SYSTEM 1537 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1538 1539 // Collect all vendor packages. 1540 File vendorAppDir = new File("/vendor/app"); 1541 try { 1542 vendorAppDir = vendorAppDir.getCanonicalFile(); 1543 } catch (IOException e) { 1544 // failed to look up canonical path, continue with original one 1545 } 1546 scanDirLI(vendorAppDir, PackageParser.PARSE_IS_SYSTEM 1547 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1548 1549 // Collect all OEM packages. 1550 final File oemAppDir = new File(Environment.getOemDirectory(), "app"); 1551 scanDirLI(oemAppDir, PackageParser.PARSE_IS_SYSTEM 1552 | PackageParser.PARSE_IS_SYSTEM_DIR, scanFlags, 0); 1553 1554 if (DEBUG_UPGRADE) Log.v(TAG, "Running installd update commands"); 1555 mInstaller.moveFiles(); 1556 1557 // Prune any system packages that no longer exist. 1558 final List<String> possiblyDeletedUpdatedSystemApps = new ArrayList<String>(); 1559 final ArrayMap<String, File> expectingBetter = new ArrayMap<>(); 1560 if (!mOnlyCore) { 1561 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 1562 while (psit.hasNext()) { 1563 PackageSetting ps = psit.next(); 1564 1565 /* 1566 * If this is not a system app, it can't be a 1567 * disable system app. 1568 */ 1569 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0) { 1570 continue; 1571 } 1572 1573 /* 1574 * If the package is scanned, it's not erased. 1575 */ 1576 final PackageParser.Package scannedPkg = mPackages.get(ps.name); 1577 if (scannedPkg != null) { 1578 /* 1579 * If the system app is both scanned and in the 1580 * disabled packages list, then it must have been 1581 * added via OTA. Remove it from the currently 1582 * scanned package so the previously user-installed 1583 * application can be scanned. 1584 */ 1585 if (mSettings.isDisabledSystemPackageLPr(ps.name)) { 1586 logCriticalInfo(Log.WARN, "Expecting better updated system app for " 1587 + ps.name + "; removing system app. Last known codePath=" 1588 + ps.codePathString + ", installStatus=" + ps.installStatus 1589 + ", versionCode=" + ps.versionCode + "; scanned versionCode=" 1590 + scannedPkg.mVersionCode); 1591 removePackageLI(ps, true); 1592 expectingBetter.put(ps.name, ps.codePath); 1593 } 1594 1595 continue; 1596 } 1597 1598 if (!mSettings.isDisabledSystemPackageLPr(ps.name)) { 1599 psit.remove(); 1600 logCriticalInfo(Log.WARN, "System package " + ps.name 1601 + " no longer exists; wiping its data"); 1602 removeDataDirsLI(ps.name); 1603 } else { 1604 final PackageSetting disabledPs = mSettings.getDisabledSystemPkgLPr(ps.name); 1605 if (disabledPs.codePath == null || !disabledPs.codePath.exists()) { 1606 possiblyDeletedUpdatedSystemApps.add(ps.name); 1607 } 1608 } 1609 } 1610 } 1611 1612 //look for any incomplete package installations 1613 ArrayList<PackageSetting> deletePkgsList = mSettings.getListOfIncompleteInstallPackagesLPr(); 1614 //clean up list 1615 for(int i = 0; i < deletePkgsList.size(); i++) { 1616 //clean up here 1617 cleanupInstallFailedPackage(deletePkgsList.get(i)); 1618 } 1619 //delete tmp files 1620 deleteTempPackageFiles(); 1621 1622 // Remove any shared userIDs that have no associated packages 1623 mSettings.pruneSharedUsersLPw(); 1624 1625 if (!mOnlyCore) { 1626 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_DATA_SCAN_START, 1627 SystemClock.uptimeMillis()); 1628 scanDirLI(mAppInstallDir, 0, scanFlags, 0); 1629 1630 scanDirLI(mDrmAppPrivateInstallDir, PackageParser.PARSE_FORWARD_LOCK, 1631 scanFlags, 0); 1632 1633 /** 1634 * Remove disable package settings for any updated system 1635 * apps that were removed via an OTA. If they're not a 1636 * previously-updated app, remove them completely. 1637 * Otherwise, just revoke their system-level permissions. 1638 */ 1639 for (String deletedAppName : possiblyDeletedUpdatedSystemApps) { 1640 PackageParser.Package deletedPkg = mPackages.get(deletedAppName); 1641 mSettings.removeDisabledSystemPackageLPw(deletedAppName); 1642 1643 String msg; 1644 if (deletedPkg == null) { 1645 msg = "Updated system package " + deletedAppName 1646 + " no longer exists; wiping its data"; 1647 removeDataDirsLI(deletedAppName); 1648 } else { 1649 msg = "Updated system app + " + deletedAppName 1650 + " no longer present; removing system privileges for " 1651 + deletedAppName; 1652 1653 deletedPkg.applicationInfo.flags &= ~ApplicationInfo.FLAG_SYSTEM; 1654 1655 PackageSetting deletedPs = mSettings.mPackages.get(deletedAppName); 1656 deletedPs.pkgFlags &= ~ApplicationInfo.FLAG_SYSTEM; 1657 } 1658 logCriticalInfo(Log.WARN, msg); 1659 } 1660 1661 /** 1662 * Make sure all system apps that we expected to appear on 1663 * the userdata partition actually showed up. If they never 1664 * appeared, crawl back and revive the system version. 1665 */ 1666 for (int i = 0; i < expectingBetter.size(); i++) { 1667 final String packageName = expectingBetter.keyAt(i); 1668 if (!mPackages.containsKey(packageName)) { 1669 final File scanFile = expectingBetter.valueAt(i); 1670 1671 logCriticalInfo(Log.WARN, "Expected better " + packageName 1672 + " but never showed up; reverting to system"); 1673 1674 final int reparseFlags; 1675 if (FileUtils.contains(privilegedAppDir, scanFile)) { 1676 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1677 | PackageParser.PARSE_IS_SYSTEM_DIR 1678 | PackageParser.PARSE_IS_PRIVILEGED; 1679 } else if (FileUtils.contains(systemAppDir, scanFile)) { 1680 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1681 | PackageParser.PARSE_IS_SYSTEM_DIR; 1682 } else if (FileUtils.contains(vendorAppDir, scanFile)) { 1683 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1684 | PackageParser.PARSE_IS_SYSTEM_DIR; 1685 } else if (FileUtils.contains(oemAppDir, scanFile)) { 1686 reparseFlags = PackageParser.PARSE_IS_SYSTEM 1687 | PackageParser.PARSE_IS_SYSTEM_DIR; 1688 } else { 1689 Slog.e(TAG, "Ignoring unexpected fallback path " + scanFile); 1690 continue; 1691 } 1692 1693 mSettings.enableSystemPackageLPw(packageName); 1694 1695 try { 1696 scanPackageLI(scanFile, reparseFlags, scanFlags, 0, null); 1697 } catch (PackageManagerException e) { 1698 Slog.e(TAG, "Failed to parse original system package: " 1699 + e.getMessage()); 1700 } 1701 } 1702 } 1703 } 1704 1705 // Now that we know all of the shared libraries, update all clients to have 1706 // the correct library paths. 1707 updateAllSharedLibrariesLPw(); 1708 1709 for (SharedUserSetting setting : mSettings.getAllSharedUsersLPw()) { 1710 // NOTE: We ignore potential failures here during a system scan (like 1711 // the rest of the commands above) because there's precious little we 1712 // can do about it. A settings error is reported, though. 1713 adjustCpuAbisForSharedUserLPw(setting.packages, null /* scanned package */, 1714 false /* force dexopt */, false /* defer dexopt */); 1715 } 1716 1717 // Now that we know all the packages we are keeping, 1718 // read and update their last usage times. 1719 mPackageUsage.readLP(); 1720 1721 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_SCAN_END, 1722 SystemClock.uptimeMillis()); 1723 Slog.i(TAG, "Time to scan packages: " 1724 + ((SystemClock.uptimeMillis()-startTime)/1000f) 1725 + " seconds"); 1726 1727 // If the platform SDK has changed since the last time we booted, 1728 // we need to re-grant app permission to catch any new ones that 1729 // appear. This is really a hack, and means that apps can in some 1730 // cases get permissions that the user didn't initially explicitly 1731 // allow... it would be nice to have some better way to handle 1732 // this situation. 1733 final boolean regrantPermissions = mSettings.mInternalSdkPlatform 1734 != mSdkVersion; 1735 if (regrantPermissions) Slog.i(TAG, "Platform changed from " 1736 + mSettings.mInternalSdkPlatform + " to " + mSdkVersion 1737 + "; regranting permissions for internal storage"); 1738 mSettings.mInternalSdkPlatform = mSdkVersion; 1739 1740 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 1741 | (regrantPermissions 1742 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 1743 : 0)); 1744 1745 // If this is the first boot, and it is a normal boot, then 1746 // we need to initialize the default preferred apps. 1747 if (!mRestoredSettings && !onlyCore) { 1748 mSettings.readDefaultPreferredAppsLPw(this, 0); 1749 } 1750 1751 // If this is first boot after an OTA, and a normal boot, then 1752 // we need to clear code cache directories. 1753 if (!Build.FINGERPRINT.equals(mSettings.mFingerprint) && !onlyCore) { 1754 Slog.i(TAG, "Build fingerprint changed; clearing code caches"); 1755 for (String pkgName : mSettings.mPackages.keySet()) { 1756 deleteCodeCacheDirsLI(pkgName); 1757 } 1758 mSettings.mFingerprint = Build.FINGERPRINT; 1759 } 1760 1761 // All the changes are done during package scanning. 1762 mSettings.updateInternalDatabaseVersion(); 1763 1764 // can downgrade to reader 1765 mSettings.writeLPr(); 1766 1767 EventLog.writeEvent(EventLogTags.BOOT_PROGRESS_PMS_READY, 1768 SystemClock.uptimeMillis()); 1769 1770 1771 mRequiredVerifierPackage = getRequiredVerifierLPr(); 1772 } // synchronized (mPackages) 1773 } // synchronized (mInstallLock) 1774 1775 mInstallerService = new PackageInstallerService(context, this, mAppInstallDir); 1776 1777 // Now after opening every single application zip, make sure they 1778 // are all flushed. Not really needed, but keeps things nice and 1779 // tidy. 1780 Runtime.getRuntime().gc(); 1781 } 1782 1783 @Override 1784 public boolean isFirstBoot() { 1785 return !mRestoredSettings; 1786 } 1787 1788 @Override 1789 public boolean isOnlyCoreApps() { 1790 return mOnlyCore; 1791 } 1792 1793 private String getRequiredVerifierLPr() { 1794 final Intent verification = new Intent(Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 1795 final List<ResolveInfo> receivers = queryIntentReceivers(verification, PACKAGE_MIME_TYPE, 1796 PackageManager.GET_DISABLED_COMPONENTS, 0 /* TODO: Which userId? */); 1797 1798 String requiredVerifier = null; 1799 1800 final int N = receivers.size(); 1801 for (int i = 0; i < N; i++) { 1802 final ResolveInfo info = receivers.get(i); 1803 1804 if (info.activityInfo == null) { 1805 continue; 1806 } 1807 1808 final String packageName = info.activityInfo.packageName; 1809 1810 final PackageSetting ps = mSettings.mPackages.get(packageName); 1811 if (ps == null) { 1812 continue; 1813 } 1814 1815 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1816 if (!gp.grantedPermissions 1817 .contains(android.Manifest.permission.PACKAGE_VERIFICATION_AGENT)) { 1818 continue; 1819 } 1820 1821 if (requiredVerifier != null) { 1822 throw new RuntimeException("There can be only one required verifier"); 1823 } 1824 1825 requiredVerifier = packageName; 1826 } 1827 1828 return requiredVerifier; 1829 } 1830 1831 @Override 1832 public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 1833 throws RemoteException { 1834 try { 1835 return super.onTransact(code, data, reply, flags); 1836 } catch (RuntimeException e) { 1837 if (!(e instanceof SecurityException) && !(e instanceof IllegalArgumentException)) { 1838 Slog.wtf(TAG, "Package Manager Crash", e); 1839 } 1840 throw e; 1841 } 1842 } 1843 1844 void cleanupInstallFailedPackage(PackageSetting ps) { 1845 logCriticalInfo(Log.WARN, "Cleaning up incompletely installed app: " + ps.name); 1846 1847 removeDataDirsLI(ps.name); 1848 if (ps.codePath != null) { 1849 if (ps.codePath.isDirectory()) { 1850 FileUtils.deleteContents(ps.codePath); 1851 } 1852 ps.codePath.delete(); 1853 } 1854 if (ps.resourcePath != null && !ps.resourcePath.equals(ps.codePath)) { 1855 if (ps.resourcePath.isDirectory()) { 1856 FileUtils.deleteContents(ps.resourcePath); 1857 } 1858 ps.resourcePath.delete(); 1859 } 1860 mSettings.removePackageLPw(ps.name); 1861 } 1862 1863 static int[] appendInts(int[] cur, int[] add) { 1864 if (add == null) return cur; 1865 if (cur == null) return add; 1866 final int N = add.length; 1867 for (int i=0; i<N; i++) { 1868 cur = appendInt(cur, add[i]); 1869 } 1870 return cur; 1871 } 1872 1873 static int[] removeInts(int[] cur, int[] rem) { 1874 if (rem == null) return cur; 1875 if (cur == null) return cur; 1876 final int N = rem.length; 1877 for (int i=0; i<N; i++) { 1878 cur = removeInt(cur, rem[i]); 1879 } 1880 return cur; 1881 } 1882 1883 PackageInfo generatePackageInfo(PackageParser.Package p, int flags, int userId) { 1884 if (!sUserManager.exists(userId)) return null; 1885 final PackageSetting ps = (PackageSetting) p.mExtras; 1886 if (ps == null) { 1887 return null; 1888 } 1889 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 1890 final PackageUserState state = ps.readUserState(userId); 1891 return PackageParser.generatePackageInfo(p, gp.gids, flags, 1892 ps.firstInstallTime, ps.lastUpdateTime, gp.grantedPermissions, 1893 state, userId); 1894 } 1895 1896 @Override 1897 public boolean isPackageAvailable(String packageName, int userId) { 1898 if (!sUserManager.exists(userId)) return false; 1899 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "is package available"); 1900 synchronized (mPackages) { 1901 PackageParser.Package p = mPackages.get(packageName); 1902 if (p != null) { 1903 final PackageSetting ps = (PackageSetting) p.mExtras; 1904 if (ps != null) { 1905 final PackageUserState state = ps.readUserState(userId); 1906 if (state != null) { 1907 return PackageParser.isAvailable(state); 1908 } 1909 } 1910 } 1911 } 1912 return false; 1913 } 1914 1915 @Override 1916 public PackageInfo getPackageInfo(String packageName, int flags, int userId) { 1917 if (!sUserManager.exists(userId)) return null; 1918 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package info"); 1919 // reader 1920 synchronized (mPackages) { 1921 PackageParser.Package p = mPackages.get(packageName); 1922 if (DEBUG_PACKAGE_INFO) 1923 Log.v(TAG, "getPackageInfo " + packageName + ": " + p); 1924 if (p != null) { 1925 return generatePackageInfo(p, flags, userId); 1926 } 1927 if((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 1928 return generatePackageInfoFromSettingsLPw(packageName, flags, userId); 1929 } 1930 } 1931 return null; 1932 } 1933 1934 @Override 1935 public String[] currentToCanonicalPackageNames(String[] names) { 1936 String[] out = new String[names.length]; 1937 // reader 1938 synchronized (mPackages) { 1939 for (int i=names.length-1; i>=0; i--) { 1940 PackageSetting ps = mSettings.mPackages.get(names[i]); 1941 out[i] = ps != null && ps.realName != null ? ps.realName : names[i]; 1942 } 1943 } 1944 return out; 1945 } 1946 1947 @Override 1948 public String[] canonicalToCurrentPackageNames(String[] names) { 1949 String[] out = new String[names.length]; 1950 // reader 1951 synchronized (mPackages) { 1952 for (int i=names.length-1; i>=0; i--) { 1953 String cur = mSettings.mRenamedPackages.get(names[i]); 1954 out[i] = cur != null ? cur : names[i]; 1955 } 1956 } 1957 return out; 1958 } 1959 1960 @Override 1961 public int getPackageUid(String packageName, int userId) { 1962 if (!sUserManager.exists(userId)) return -1; 1963 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get package uid"); 1964 // reader 1965 synchronized (mPackages) { 1966 PackageParser.Package p = mPackages.get(packageName); 1967 if(p != null) { 1968 return UserHandle.getUid(userId, p.applicationInfo.uid); 1969 } 1970 PackageSetting ps = mSettings.mPackages.get(packageName); 1971 if((ps == null) || (ps.pkg == null) || (ps.pkg.applicationInfo == null)) { 1972 return -1; 1973 } 1974 p = ps.pkg; 1975 return p != null ? UserHandle.getUid(userId, p.applicationInfo.uid) : -1; 1976 } 1977 } 1978 1979 @Override 1980 public int[] getPackageGids(String packageName) { 1981 // reader 1982 synchronized (mPackages) { 1983 PackageParser.Package p = mPackages.get(packageName); 1984 if (DEBUG_PACKAGE_INFO) 1985 Log.v(TAG, "getPackageGids" + packageName + ": " + p); 1986 if (p != null) { 1987 final PackageSetting ps = (PackageSetting)p.mExtras; 1988 return ps.getGids(); 1989 } 1990 } 1991 // stupid thing to indicate an error. 1992 return new int[0]; 1993 } 1994 1995 static final PermissionInfo generatePermissionInfo( 1996 BasePermission bp, int flags) { 1997 if (bp.perm != null) { 1998 return PackageParser.generatePermissionInfo(bp.perm, flags); 1999 } 2000 PermissionInfo pi = new PermissionInfo(); 2001 pi.name = bp.name; 2002 pi.packageName = bp.sourcePackage; 2003 pi.nonLocalizedLabel = bp.name; 2004 pi.protectionLevel = bp.protectionLevel; 2005 return pi; 2006 } 2007 2008 @Override 2009 public PermissionInfo getPermissionInfo(String name, int flags) { 2010 // reader 2011 synchronized (mPackages) { 2012 final BasePermission p = mSettings.mPermissions.get(name); 2013 if (p != null) { 2014 return generatePermissionInfo(p, flags); 2015 } 2016 return null; 2017 } 2018 } 2019 2020 @Override 2021 public List<PermissionInfo> queryPermissionsByGroup(String group, int flags) { 2022 // reader 2023 synchronized (mPackages) { 2024 ArrayList<PermissionInfo> out = new ArrayList<PermissionInfo>(10); 2025 for (BasePermission p : mSettings.mPermissions.values()) { 2026 if (group == null) { 2027 if (p.perm == null || p.perm.info.group == null) { 2028 out.add(generatePermissionInfo(p, flags)); 2029 } 2030 } else { 2031 if (p.perm != null && group.equals(p.perm.info.group)) { 2032 out.add(PackageParser.generatePermissionInfo(p.perm, flags)); 2033 } 2034 } 2035 } 2036 2037 if (out.size() > 0) { 2038 return out; 2039 } 2040 return mPermissionGroups.containsKey(group) ? out : null; 2041 } 2042 } 2043 2044 @Override 2045 public PermissionGroupInfo getPermissionGroupInfo(String name, int flags) { 2046 // reader 2047 synchronized (mPackages) { 2048 return PackageParser.generatePermissionGroupInfo( 2049 mPermissionGroups.get(name), flags); 2050 } 2051 } 2052 2053 @Override 2054 public List<PermissionGroupInfo> getAllPermissionGroups(int flags) { 2055 // reader 2056 synchronized (mPackages) { 2057 final int N = mPermissionGroups.size(); 2058 ArrayList<PermissionGroupInfo> out 2059 = new ArrayList<PermissionGroupInfo>(N); 2060 for (PackageParser.PermissionGroup pg : mPermissionGroups.values()) { 2061 out.add(PackageParser.generatePermissionGroupInfo(pg, flags)); 2062 } 2063 return out; 2064 } 2065 } 2066 2067 private ApplicationInfo generateApplicationInfoFromSettingsLPw(String packageName, int flags, 2068 int userId) { 2069 if (!sUserManager.exists(userId)) return null; 2070 PackageSetting ps = mSettings.mPackages.get(packageName); 2071 if (ps != null) { 2072 if (ps.pkg == null) { 2073 PackageInfo pInfo = generatePackageInfoFromSettingsLPw(packageName, 2074 flags, userId); 2075 if (pInfo != null) { 2076 return pInfo.applicationInfo; 2077 } 2078 return null; 2079 } 2080 return PackageParser.generateApplicationInfo(ps.pkg, flags, 2081 ps.readUserState(userId), userId); 2082 } 2083 return null; 2084 } 2085 2086 private PackageInfo generatePackageInfoFromSettingsLPw(String packageName, int flags, 2087 int userId) { 2088 if (!sUserManager.exists(userId)) return null; 2089 PackageSetting ps = mSettings.mPackages.get(packageName); 2090 if (ps != null) { 2091 PackageParser.Package pkg = ps.pkg; 2092 if (pkg == null) { 2093 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) == 0) { 2094 return null; 2095 } 2096 // Only data remains, so we aren't worried about code paths 2097 pkg = new PackageParser.Package(packageName); 2098 pkg.applicationInfo.packageName = packageName; 2099 pkg.applicationInfo.flags = ps.pkgFlags | ApplicationInfo.FLAG_IS_DATA_ONLY; 2100 pkg.applicationInfo.dataDir = 2101 getDataPathForPackage(packageName, 0).getPath(); 2102 pkg.applicationInfo.primaryCpuAbi = ps.primaryCpuAbiString; 2103 pkg.applicationInfo.secondaryCpuAbi = ps.secondaryCpuAbiString; 2104 } 2105 return generatePackageInfo(pkg, flags, userId); 2106 } 2107 return null; 2108 } 2109 2110 @Override 2111 public ApplicationInfo getApplicationInfo(String packageName, int flags, int userId) { 2112 if (!sUserManager.exists(userId)) return null; 2113 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get application info"); 2114 // writer 2115 synchronized (mPackages) { 2116 PackageParser.Package p = mPackages.get(packageName); 2117 if (DEBUG_PACKAGE_INFO) Log.v( 2118 TAG, "getApplicationInfo " + packageName 2119 + ": " + p); 2120 if (p != null) { 2121 PackageSetting ps = mSettings.mPackages.get(packageName); 2122 if (ps == null) return null; 2123 // Note: isEnabledLP() does not apply here - always return info 2124 return PackageParser.generateApplicationInfo( 2125 p, flags, ps.readUserState(userId), userId); 2126 } 2127 if ("android".equals(packageName)||"system".equals(packageName)) { 2128 return mAndroidApplication; 2129 } 2130 if ((flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0) { 2131 return generateApplicationInfoFromSettingsLPw(packageName, flags, userId); 2132 } 2133 } 2134 return null; 2135 } 2136 2137 2138 @Override 2139 public void freeStorageAndNotify(final long freeStorageSize, final IPackageDataObserver observer) { 2140 mContext.enforceCallingOrSelfPermission( 2141 android.Manifest.permission.CLEAR_APP_CACHE, null); 2142 // Queue up an async operation since clearing cache may take a little while. 2143 mHandler.post(new Runnable() { 2144 public void run() { 2145 mHandler.removeCallbacks(this); 2146 int retCode = -1; 2147 synchronized (mInstallLock) { 2148 retCode = mInstaller.freeCache(freeStorageSize); 2149 if (retCode < 0) { 2150 Slog.w(TAG, "Couldn't clear application caches"); 2151 } 2152 } 2153 if (observer != null) { 2154 try { 2155 observer.onRemoveCompleted(null, (retCode >= 0)); 2156 } catch (RemoteException e) { 2157 Slog.w(TAG, "RemoveException when invoking call back"); 2158 } 2159 } 2160 } 2161 }); 2162 } 2163 2164 @Override 2165 public void freeStorage(final long freeStorageSize, final IntentSender pi) { 2166 mContext.enforceCallingOrSelfPermission( 2167 android.Manifest.permission.CLEAR_APP_CACHE, null); 2168 // Queue up an async operation since clearing cache may take a little while. 2169 mHandler.post(new Runnable() { 2170 public void run() { 2171 mHandler.removeCallbacks(this); 2172 int retCode = -1; 2173 synchronized (mInstallLock) { 2174 retCode = mInstaller.freeCache(freeStorageSize); 2175 if (retCode < 0) { 2176 Slog.w(TAG, "Couldn't clear application caches"); 2177 } 2178 } 2179 if(pi != null) { 2180 try { 2181 // Callback via pending intent 2182 int code = (retCode >= 0) ? 1 : 0; 2183 pi.sendIntent(null, code, null, 2184 null, null); 2185 } catch (SendIntentException e1) { 2186 Slog.i(TAG, "Failed to send pending intent"); 2187 } 2188 } 2189 } 2190 }); 2191 } 2192 2193 void freeStorage(long freeStorageSize) throws IOException { 2194 synchronized (mInstallLock) { 2195 if (mInstaller.freeCache(freeStorageSize) < 0) { 2196 throw new IOException("Failed to free enough space"); 2197 } 2198 } 2199 } 2200 2201 @Override 2202 public ActivityInfo getActivityInfo(ComponentName component, int flags, int userId) { 2203 if (!sUserManager.exists(userId)) return null; 2204 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get activity info"); 2205 synchronized (mPackages) { 2206 PackageParser.Activity a = mActivities.mActivities.get(component); 2207 2208 if (DEBUG_PACKAGE_INFO) Log.v(TAG, "getActivityInfo " + component + ": " + a); 2209 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2210 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2211 if (ps == null) return null; 2212 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2213 userId); 2214 } 2215 if (mResolveComponentName.equals(component)) { 2216 return PackageParser.generateActivityInfo(mResolveActivity, flags, 2217 new PackageUserState(), userId); 2218 } 2219 } 2220 return null; 2221 } 2222 2223 @Override 2224 public boolean activitySupportsIntent(ComponentName component, Intent intent, 2225 String resolvedType) { 2226 synchronized (mPackages) { 2227 PackageParser.Activity a = mActivities.mActivities.get(component); 2228 if (a == null) { 2229 return false; 2230 } 2231 for (int i=0; i<a.intents.size(); i++) { 2232 if (a.intents.get(i).match(intent.getAction(), resolvedType, intent.getScheme(), 2233 intent.getData(), intent.getCategories(), TAG) >= 0) { 2234 return true; 2235 } 2236 } 2237 return false; 2238 } 2239 } 2240 2241 @Override 2242 public ActivityInfo getReceiverInfo(ComponentName component, int flags, int userId) { 2243 if (!sUserManager.exists(userId)) return null; 2244 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get receiver info"); 2245 synchronized (mPackages) { 2246 PackageParser.Activity a = mReceivers.mActivities.get(component); 2247 if (DEBUG_PACKAGE_INFO) Log.v( 2248 TAG, "getReceiverInfo " + component + ": " + a); 2249 if (a != null && mSettings.isEnabledLPr(a.info, flags, userId)) { 2250 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2251 if (ps == null) return null; 2252 return PackageParser.generateActivityInfo(a, flags, ps.readUserState(userId), 2253 userId); 2254 } 2255 } 2256 return null; 2257 } 2258 2259 @Override 2260 public ServiceInfo getServiceInfo(ComponentName component, int flags, int userId) { 2261 if (!sUserManager.exists(userId)) return null; 2262 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get service info"); 2263 synchronized (mPackages) { 2264 PackageParser.Service s = mServices.mServices.get(component); 2265 if (DEBUG_PACKAGE_INFO) Log.v( 2266 TAG, "getServiceInfo " + component + ": " + s); 2267 if (s != null && mSettings.isEnabledLPr(s.info, flags, userId)) { 2268 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2269 if (ps == null) return null; 2270 return PackageParser.generateServiceInfo(s, flags, ps.readUserState(userId), 2271 userId); 2272 } 2273 } 2274 return null; 2275 } 2276 2277 @Override 2278 public ProviderInfo getProviderInfo(ComponentName component, int flags, int userId) { 2279 if (!sUserManager.exists(userId)) return null; 2280 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "get provider info"); 2281 synchronized (mPackages) { 2282 PackageParser.Provider p = mProviders.mProviders.get(component); 2283 if (DEBUG_PACKAGE_INFO) Log.v( 2284 TAG, "getProviderInfo " + component + ": " + p); 2285 if (p != null && mSettings.isEnabledLPr(p.info, flags, userId)) { 2286 PackageSetting ps = mSettings.mPackages.get(component.getPackageName()); 2287 if (ps == null) return null; 2288 return PackageParser.generateProviderInfo(p, flags, ps.readUserState(userId), 2289 userId); 2290 } 2291 } 2292 return null; 2293 } 2294 2295 @Override 2296 public String[] getSystemSharedLibraryNames() { 2297 Set<String> libSet; 2298 synchronized (mPackages) { 2299 libSet = mSharedLibraries.keySet(); 2300 int size = libSet.size(); 2301 if (size > 0) { 2302 String[] libs = new String[size]; 2303 libSet.toArray(libs); 2304 return libs; 2305 } 2306 } 2307 return null; 2308 } 2309 2310 @Override 2311 public FeatureInfo[] getSystemAvailableFeatures() { 2312 Collection<FeatureInfo> featSet; 2313 synchronized (mPackages) { 2314 featSet = mAvailableFeatures.values(); 2315 int size = featSet.size(); 2316 if (size > 0) { 2317 FeatureInfo[] features = new FeatureInfo[size+1]; 2318 featSet.toArray(features); 2319 FeatureInfo fi = new FeatureInfo(); 2320 fi.reqGlEsVersion = SystemProperties.getInt("ro.opengles.version", 2321 FeatureInfo.GL_ES_VERSION_UNDEFINED); 2322 features[size] = fi; 2323 return features; 2324 } 2325 } 2326 return null; 2327 } 2328 2329 @Override 2330 public boolean hasSystemFeature(String name) { 2331 synchronized (mPackages) { 2332 return mAvailableFeatures.containsKey(name); 2333 } 2334 } 2335 2336 private void checkValidCaller(int uid, int userId) { 2337 if (UserHandle.getUserId(uid) == userId || uid == Process.SYSTEM_UID || uid == 0) 2338 return; 2339 2340 throw new SecurityException("Caller uid=" + uid 2341 + " is not privileged to communicate with user=" + userId); 2342 } 2343 2344 @Override 2345 public int checkPermission(String permName, String pkgName) { 2346 synchronized (mPackages) { 2347 PackageParser.Package p = mPackages.get(pkgName); 2348 if (p != null && p.mExtras != null) { 2349 PackageSetting ps = (PackageSetting)p.mExtras; 2350 if (ps.sharedUser != null) { 2351 if (ps.sharedUser.grantedPermissions.contains(permName)) { 2352 return PackageManager.PERMISSION_GRANTED; 2353 } 2354 } else if (ps.grantedPermissions.contains(permName)) { 2355 return PackageManager.PERMISSION_GRANTED; 2356 } 2357 } 2358 } 2359 return PackageManager.PERMISSION_DENIED; 2360 } 2361 2362 @Override 2363 public int checkUidPermission(String permName, int uid) { 2364 synchronized (mPackages) { 2365 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2366 if (obj != null) { 2367 GrantedPermissions gp = (GrantedPermissions)obj; 2368 if (gp.grantedPermissions.contains(permName)) { 2369 return PackageManager.PERMISSION_GRANTED; 2370 } 2371 } else { 2372 HashSet<String> perms = mSystemPermissions.get(uid); 2373 if (perms != null && perms.contains(permName)) { 2374 return PackageManager.PERMISSION_GRANTED; 2375 } 2376 } 2377 } 2378 return PackageManager.PERMISSION_DENIED; 2379 } 2380 2381 /** 2382 * Checks if the request is from the system or an app that has INTERACT_ACROSS_USERS 2383 * or INTERACT_ACROSS_USERS_FULL permissions, if the userid is not for the caller. 2384 * @param checkShell TODO(yamasani): 2385 * @param message the message to log on security exception 2386 */ 2387 void enforceCrossUserPermission(int callingUid, int userId, boolean requireFullPermission, 2388 boolean checkShell, String message) { 2389 if (userId < 0) { 2390 throw new IllegalArgumentException("Invalid userId " + userId); 2391 } 2392 if (checkShell) { 2393 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, userId); 2394 } 2395 if (userId == UserHandle.getUserId(callingUid)) return; 2396 if (callingUid != Process.SYSTEM_UID && callingUid != 0) { 2397 if (requireFullPermission) { 2398 mContext.enforceCallingOrSelfPermission( 2399 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2400 } else { 2401 try { 2402 mContext.enforceCallingOrSelfPermission( 2403 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, message); 2404 } catch (SecurityException se) { 2405 mContext.enforceCallingOrSelfPermission( 2406 android.Manifest.permission.INTERACT_ACROSS_USERS, message); 2407 } 2408 } 2409 } 2410 } 2411 2412 void enforceShellRestriction(String restriction, int callingUid, int userHandle) { 2413 if (callingUid == Process.SHELL_UID) { 2414 if (userHandle >= 0 2415 && sUserManager.hasUserRestriction(restriction, userHandle)) { 2416 throw new SecurityException("Shell does not have permission to access user " 2417 + userHandle); 2418 } else if (userHandle < 0) { 2419 Slog.e(TAG, "Unable to check shell permission for user " + userHandle + "\n\t" 2420 + Debug.getCallers(3)); 2421 } 2422 } 2423 } 2424 2425 private BasePermission findPermissionTreeLP(String permName) { 2426 for(BasePermission bp : mSettings.mPermissionTrees.values()) { 2427 if (permName.startsWith(bp.name) && 2428 permName.length() > bp.name.length() && 2429 permName.charAt(bp.name.length()) == '.') { 2430 return bp; 2431 } 2432 } 2433 return null; 2434 } 2435 2436 private BasePermission checkPermissionTreeLP(String permName) { 2437 if (permName != null) { 2438 BasePermission bp = findPermissionTreeLP(permName); 2439 if (bp != null) { 2440 if (bp.uid == UserHandle.getAppId(Binder.getCallingUid())) { 2441 return bp; 2442 } 2443 throw new SecurityException("Calling uid " 2444 + Binder.getCallingUid() 2445 + " is not allowed to add to permission tree " 2446 + bp.name + " owned by uid " + bp.uid); 2447 } 2448 } 2449 throw new SecurityException("No permission tree found for " + permName); 2450 } 2451 2452 static boolean compareStrings(CharSequence s1, CharSequence s2) { 2453 if (s1 == null) { 2454 return s2 == null; 2455 } 2456 if (s2 == null) { 2457 return false; 2458 } 2459 if (s1.getClass() != s2.getClass()) { 2460 return false; 2461 } 2462 return s1.equals(s2); 2463 } 2464 2465 static boolean comparePermissionInfos(PermissionInfo pi1, PermissionInfo pi2) { 2466 if (pi1.icon != pi2.icon) return false; 2467 if (pi1.logo != pi2.logo) return false; 2468 if (pi1.protectionLevel != pi2.protectionLevel) return false; 2469 if (!compareStrings(pi1.name, pi2.name)) return false; 2470 if (!compareStrings(pi1.nonLocalizedLabel, pi2.nonLocalizedLabel)) return false; 2471 // We'll take care of setting this one. 2472 if (!compareStrings(pi1.packageName, pi2.packageName)) return false; 2473 // These are not currently stored in settings. 2474 //if (!compareStrings(pi1.group, pi2.group)) return false; 2475 //if (!compareStrings(pi1.nonLocalizedDescription, pi2.nonLocalizedDescription)) return false; 2476 //if (pi1.labelRes != pi2.labelRes) return false; 2477 //if (pi1.descriptionRes != pi2.descriptionRes) return false; 2478 return true; 2479 } 2480 2481 int permissionInfoFootprint(PermissionInfo info) { 2482 int size = info.name.length(); 2483 if (info.nonLocalizedLabel != null) size += info.nonLocalizedLabel.length(); 2484 if (info.nonLocalizedDescription != null) size += info.nonLocalizedDescription.length(); 2485 return size; 2486 } 2487 2488 int calculateCurrentPermissionFootprintLocked(BasePermission tree) { 2489 int size = 0; 2490 for (BasePermission perm : mSettings.mPermissions.values()) { 2491 if (perm.uid == tree.uid) { 2492 size += perm.name.length() + permissionInfoFootprint(perm.perm.info); 2493 } 2494 } 2495 return size; 2496 } 2497 2498 void enforcePermissionCapLocked(PermissionInfo info, BasePermission tree) { 2499 // We calculate the max size of permissions defined by this uid and throw 2500 // if that plus the size of 'info' would exceed our stated maximum. 2501 if (tree.uid != Process.SYSTEM_UID) { 2502 final int curTreeSize = calculateCurrentPermissionFootprintLocked(tree); 2503 if (curTreeSize + permissionInfoFootprint(info) > MAX_PERMISSION_TREE_FOOTPRINT) { 2504 throw new SecurityException("Permission tree size cap exceeded"); 2505 } 2506 } 2507 } 2508 2509 boolean addPermissionLocked(PermissionInfo info, boolean async) { 2510 if (info.labelRes == 0 && info.nonLocalizedLabel == null) { 2511 throw new SecurityException("Label must be specified in permission"); 2512 } 2513 BasePermission tree = checkPermissionTreeLP(info.name); 2514 BasePermission bp = mSettings.mPermissions.get(info.name); 2515 boolean added = bp == null; 2516 boolean changed = true; 2517 int fixedLevel = PermissionInfo.fixProtectionLevel(info.protectionLevel); 2518 if (added) { 2519 enforcePermissionCapLocked(info, tree); 2520 bp = new BasePermission(info.name, tree.sourcePackage, 2521 BasePermission.TYPE_DYNAMIC); 2522 } else if (bp.type != BasePermission.TYPE_DYNAMIC) { 2523 throw new SecurityException( 2524 "Not allowed to modify non-dynamic permission " 2525 + info.name); 2526 } else { 2527 if (bp.protectionLevel == fixedLevel 2528 && bp.perm.owner.equals(tree.perm.owner) 2529 && bp.uid == tree.uid 2530 && comparePermissionInfos(bp.perm.info, info)) { 2531 changed = false; 2532 } 2533 } 2534 bp.protectionLevel = fixedLevel; 2535 info = new PermissionInfo(info); 2536 info.protectionLevel = fixedLevel; 2537 bp.perm = new PackageParser.Permission(tree.perm.owner, info); 2538 bp.perm.info.packageName = tree.perm.info.packageName; 2539 bp.uid = tree.uid; 2540 if (added) { 2541 mSettings.mPermissions.put(info.name, bp); 2542 } 2543 if (changed) { 2544 if (!async) { 2545 mSettings.writeLPr(); 2546 } else { 2547 scheduleWriteSettingsLocked(); 2548 } 2549 } 2550 return added; 2551 } 2552 2553 @Override 2554 public boolean addPermission(PermissionInfo info) { 2555 synchronized (mPackages) { 2556 return addPermissionLocked(info, false); 2557 } 2558 } 2559 2560 @Override 2561 public boolean addPermissionAsync(PermissionInfo info) { 2562 synchronized (mPackages) { 2563 return addPermissionLocked(info, true); 2564 } 2565 } 2566 2567 @Override 2568 public void removePermission(String name) { 2569 synchronized (mPackages) { 2570 checkPermissionTreeLP(name); 2571 BasePermission bp = mSettings.mPermissions.get(name); 2572 if (bp != null) { 2573 if (bp.type != BasePermission.TYPE_DYNAMIC) { 2574 throw new SecurityException( 2575 "Not allowed to modify non-dynamic permission " 2576 + name); 2577 } 2578 mSettings.mPermissions.remove(name); 2579 mSettings.writeLPr(); 2580 } 2581 } 2582 } 2583 2584 private static void checkGrantRevokePermissions(PackageParser.Package pkg, BasePermission bp) { 2585 int index = pkg.requestedPermissions.indexOf(bp.name); 2586 if (index == -1) { 2587 throw new SecurityException("Package " + pkg.packageName 2588 + " has not requested permission " + bp.name); 2589 } 2590 boolean isNormal = 2591 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2592 == PermissionInfo.PROTECTION_NORMAL); 2593 boolean isDangerous = 2594 ((bp.protectionLevel&PermissionInfo.PROTECTION_MASK_BASE) 2595 == PermissionInfo.PROTECTION_DANGEROUS); 2596 boolean isDevelopment = 2597 ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0); 2598 2599 if (!isNormal && !isDangerous && !isDevelopment) { 2600 throw new SecurityException("Permission " + bp.name 2601 + " is not a changeable permission type"); 2602 } 2603 2604 if (isNormal || isDangerous) { 2605 if (pkg.requestedPermissionsRequired.get(index)) { 2606 throw new SecurityException("Can't change " + bp.name 2607 + ". It is required by the application"); 2608 } 2609 } 2610 } 2611 2612 @Override 2613 public void grantPermission(String packageName, String permissionName) { 2614 mContext.enforceCallingOrSelfPermission( 2615 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2616 synchronized (mPackages) { 2617 final PackageParser.Package pkg = mPackages.get(packageName); 2618 if (pkg == null) { 2619 throw new IllegalArgumentException("Unknown package: " + packageName); 2620 } 2621 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2622 if (bp == null) { 2623 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2624 } 2625 2626 checkGrantRevokePermissions(pkg, bp); 2627 2628 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2629 if (ps == null) { 2630 return; 2631 } 2632 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2633 if (gp.grantedPermissions.add(permissionName)) { 2634 if (ps.haveGids) { 2635 gp.gids = appendInts(gp.gids, bp.gids); 2636 } 2637 mSettings.writeLPr(); 2638 } 2639 } 2640 } 2641 2642 @Override 2643 public void revokePermission(String packageName, String permissionName) { 2644 int changedAppId = -1; 2645 2646 synchronized (mPackages) { 2647 final PackageParser.Package pkg = mPackages.get(packageName); 2648 if (pkg == null) { 2649 throw new IllegalArgumentException("Unknown package: " + packageName); 2650 } 2651 if (pkg.applicationInfo.uid != Binder.getCallingUid()) { 2652 mContext.enforceCallingOrSelfPermission( 2653 android.Manifest.permission.GRANT_REVOKE_PERMISSIONS, null); 2654 } 2655 final BasePermission bp = mSettings.mPermissions.get(permissionName); 2656 if (bp == null) { 2657 throw new IllegalArgumentException("Unknown permission: " + permissionName); 2658 } 2659 2660 checkGrantRevokePermissions(pkg, bp); 2661 2662 final PackageSetting ps = (PackageSetting) pkg.mExtras; 2663 if (ps == null) { 2664 return; 2665 } 2666 final GrantedPermissions gp = (ps.sharedUser != null) ? ps.sharedUser : ps; 2667 if (gp.grantedPermissions.remove(permissionName)) { 2668 gp.grantedPermissions.remove(permissionName); 2669 if (ps.haveGids) { 2670 gp.gids = removeInts(gp.gids, bp.gids); 2671 } 2672 mSettings.writeLPr(); 2673 changedAppId = ps.appId; 2674 } 2675 } 2676 2677 if (changedAppId >= 0) { 2678 // We changed the perm on someone, kill its processes. 2679 IActivityManager am = ActivityManagerNative.getDefault(); 2680 if (am != null) { 2681 final int callingUserId = UserHandle.getCallingUserId(); 2682 final long ident = Binder.clearCallingIdentity(); 2683 try { 2684 //XXX we should only revoke for the calling user's app permissions, 2685 // but for now we impact all users. 2686 //am.killUid(UserHandle.getUid(callingUserId, changedAppId), 2687 // "revoke " + permissionName); 2688 int[] users = sUserManager.getUserIds(); 2689 for (int user : users) { 2690 am.killUid(UserHandle.getUid(user, changedAppId), 2691 "revoke " + permissionName); 2692 } 2693 } catch (RemoteException e) { 2694 } finally { 2695 Binder.restoreCallingIdentity(ident); 2696 } 2697 } 2698 } 2699 } 2700 2701 @Override 2702 public boolean isProtectedBroadcast(String actionName) { 2703 synchronized (mPackages) { 2704 return mProtectedBroadcasts.contains(actionName); 2705 } 2706 } 2707 2708 @Override 2709 public int checkSignatures(String pkg1, String pkg2) { 2710 synchronized (mPackages) { 2711 final PackageParser.Package p1 = mPackages.get(pkg1); 2712 final PackageParser.Package p2 = mPackages.get(pkg2); 2713 if (p1 == null || p1.mExtras == null 2714 || p2 == null || p2.mExtras == null) { 2715 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2716 } 2717 return compareSignatures(p1.mSignatures, p2.mSignatures); 2718 } 2719 } 2720 2721 @Override 2722 public int checkUidSignatures(int uid1, int uid2) { 2723 // Map to base uids. 2724 uid1 = UserHandle.getAppId(uid1); 2725 uid2 = UserHandle.getAppId(uid2); 2726 // reader 2727 synchronized (mPackages) { 2728 Signature[] s1; 2729 Signature[] s2; 2730 Object obj = mSettings.getUserIdLPr(uid1); 2731 if (obj != null) { 2732 if (obj instanceof SharedUserSetting) { 2733 s1 = ((SharedUserSetting)obj).signatures.mSignatures; 2734 } else if (obj instanceof PackageSetting) { 2735 s1 = ((PackageSetting)obj).signatures.mSignatures; 2736 } else { 2737 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2738 } 2739 } else { 2740 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2741 } 2742 obj = mSettings.getUserIdLPr(uid2); 2743 if (obj != null) { 2744 if (obj instanceof SharedUserSetting) { 2745 s2 = ((SharedUserSetting)obj).signatures.mSignatures; 2746 } else if (obj instanceof PackageSetting) { 2747 s2 = ((PackageSetting)obj).signatures.mSignatures; 2748 } else { 2749 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2750 } 2751 } else { 2752 return PackageManager.SIGNATURE_UNKNOWN_PACKAGE; 2753 } 2754 return compareSignatures(s1, s2); 2755 } 2756 } 2757 2758 /** 2759 * Compares two sets of signatures. Returns: 2760 * <br /> 2761 * {@link PackageManager#SIGNATURE_NEITHER_SIGNED}: if both signature sets are null, 2762 * <br /> 2763 * {@link PackageManager#SIGNATURE_FIRST_NOT_SIGNED}: if the first signature set is null, 2764 * <br /> 2765 * {@link PackageManager#SIGNATURE_SECOND_NOT_SIGNED}: if the second signature set is null, 2766 * <br /> 2767 * {@link PackageManager#SIGNATURE_MATCH}: if the two signature sets are identical, 2768 * <br /> 2769 * {@link PackageManager#SIGNATURE_NO_MATCH}: if the two signature sets differ. 2770 */ 2771 static int compareSignatures(Signature[] s1, Signature[] s2) { 2772 if (s1 == null) { 2773 return s2 == null 2774 ? PackageManager.SIGNATURE_NEITHER_SIGNED 2775 : PackageManager.SIGNATURE_FIRST_NOT_SIGNED; 2776 } 2777 2778 if (s2 == null) { 2779 return PackageManager.SIGNATURE_SECOND_NOT_SIGNED; 2780 } 2781 2782 if (s1.length != s2.length) { 2783 return PackageManager.SIGNATURE_NO_MATCH; 2784 } 2785 2786 // Since both signature sets are of size 1, we can compare without HashSets. 2787 if (s1.length == 1) { 2788 return s1[0].equals(s2[0]) ? 2789 PackageManager.SIGNATURE_MATCH : 2790 PackageManager.SIGNATURE_NO_MATCH; 2791 } 2792 2793 HashSet<Signature> set1 = new HashSet<Signature>(); 2794 for (Signature sig : s1) { 2795 set1.add(sig); 2796 } 2797 HashSet<Signature> set2 = new HashSet<Signature>(); 2798 for (Signature sig : s2) { 2799 set2.add(sig); 2800 } 2801 // Make sure s2 contains all signatures in s1. 2802 if (set1.equals(set2)) { 2803 return PackageManager.SIGNATURE_MATCH; 2804 } 2805 return PackageManager.SIGNATURE_NO_MATCH; 2806 } 2807 2808 /** 2809 * If the database version for this type of package (internal storage or 2810 * external storage) is less than the version where package signatures 2811 * were updated, return true. 2812 */ 2813 private boolean isCompatSignatureUpdateNeeded(PackageParser.Package scannedPkg) { 2814 return (isExternal(scannedPkg) && mSettings.isExternalDatabaseVersionOlderThan( 2815 DatabaseVersion.SIGNATURE_END_ENTITY)) 2816 || (!isExternal(scannedPkg) && mSettings.isInternalDatabaseVersionOlderThan( 2817 DatabaseVersion.SIGNATURE_END_ENTITY)); 2818 } 2819 2820 /** 2821 * Used for backward compatibility to make sure any packages with 2822 * certificate chains get upgraded to the new style. {@code existingSigs} 2823 * will be in the old format (since they were stored on disk from before the 2824 * system upgrade) and {@code scannedSigs} will be in the newer format. 2825 */ 2826 private int compareSignaturesCompat(PackageSignatures existingSigs, 2827 PackageParser.Package scannedPkg) { 2828 if (!isCompatSignatureUpdateNeeded(scannedPkg)) { 2829 return PackageManager.SIGNATURE_NO_MATCH; 2830 } 2831 2832 HashSet<Signature> existingSet = new HashSet<Signature>(); 2833 for (Signature sig : existingSigs.mSignatures) { 2834 existingSet.add(sig); 2835 } 2836 HashSet<Signature> scannedCompatSet = new HashSet<Signature>(); 2837 for (Signature sig : scannedPkg.mSignatures) { 2838 try { 2839 Signature[] chainSignatures = sig.getChainSignatures(); 2840 for (Signature chainSig : chainSignatures) { 2841 scannedCompatSet.add(chainSig); 2842 } 2843 } catch (CertificateEncodingException e) { 2844 scannedCompatSet.add(sig); 2845 } 2846 } 2847 /* 2848 * Make sure the expanded scanned set contains all signatures in the 2849 * existing one. 2850 */ 2851 if (scannedCompatSet.equals(existingSet)) { 2852 // Migrate the old signatures to the new scheme. 2853 existingSigs.assignSignatures(scannedPkg.mSignatures); 2854 // The new KeySets will be re-added later in the scanning process. 2855 synchronized (mPackages) { 2856 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(scannedPkg.packageName); 2857 } 2858 return PackageManager.SIGNATURE_MATCH; 2859 } 2860 return PackageManager.SIGNATURE_NO_MATCH; 2861 } 2862 2863 @Override 2864 public String[] getPackagesForUid(int uid) { 2865 uid = UserHandle.getAppId(uid); 2866 // reader 2867 synchronized (mPackages) { 2868 Object obj = mSettings.getUserIdLPr(uid); 2869 if (obj instanceof SharedUserSetting) { 2870 final SharedUserSetting sus = (SharedUserSetting) obj; 2871 final int N = sus.packages.size(); 2872 final String[] res = new String[N]; 2873 final Iterator<PackageSetting> it = sus.packages.iterator(); 2874 int i = 0; 2875 while (it.hasNext()) { 2876 res[i++] = it.next().name; 2877 } 2878 return res; 2879 } else if (obj instanceof PackageSetting) { 2880 final PackageSetting ps = (PackageSetting) obj; 2881 return new String[] { ps.name }; 2882 } 2883 } 2884 return null; 2885 } 2886 2887 @Override 2888 public String getNameForUid(int uid) { 2889 // reader 2890 synchronized (mPackages) { 2891 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2892 if (obj instanceof SharedUserSetting) { 2893 final SharedUserSetting sus = (SharedUserSetting) obj; 2894 return sus.name + ":" + sus.userId; 2895 } else if (obj instanceof PackageSetting) { 2896 final PackageSetting ps = (PackageSetting) obj; 2897 return ps.name; 2898 } 2899 } 2900 return null; 2901 } 2902 2903 @Override 2904 public int getUidForSharedUser(String sharedUserName) { 2905 if(sharedUserName == null) { 2906 return -1; 2907 } 2908 // reader 2909 synchronized (mPackages) { 2910 final SharedUserSetting suid = mSettings.getSharedUserLPw(sharedUserName, 0, false); 2911 if (suid == null) { 2912 return -1; 2913 } 2914 return suid.userId; 2915 } 2916 } 2917 2918 @Override 2919 public int getFlagsForUid(int uid) { 2920 synchronized (mPackages) { 2921 Object obj = mSettings.getUserIdLPr(UserHandle.getAppId(uid)); 2922 if (obj instanceof SharedUserSetting) { 2923 final SharedUserSetting sus = (SharedUserSetting) obj; 2924 return sus.pkgFlags; 2925 } else if (obj instanceof PackageSetting) { 2926 final PackageSetting ps = (PackageSetting) obj; 2927 return ps.pkgFlags; 2928 } 2929 } 2930 return 0; 2931 } 2932 2933 @Override 2934 public boolean isUidPrivileged(int uid) { 2935 uid = UserHandle.getAppId(uid); 2936 // reader 2937 synchronized (mPackages) { 2938 Object obj = mSettings.getUserIdLPr(uid); 2939 if (obj instanceof SharedUserSetting) { 2940 final SharedUserSetting sus = (SharedUserSetting) obj; 2941 final Iterator<PackageSetting> it = sus.packages.iterator(); 2942 while (it.hasNext()) { 2943 if (it.next().isPrivileged()) { 2944 return true; 2945 } 2946 } 2947 } else if (obj instanceof PackageSetting) { 2948 final PackageSetting ps = (PackageSetting) obj; 2949 return ps.isPrivileged(); 2950 } 2951 } 2952 return false; 2953 } 2954 2955 @Override 2956 public String[] getAppOpPermissionPackages(String permissionName) { 2957 synchronized (mPackages) { 2958 ArraySet<String> pkgs = mAppOpPermissionPackages.get(permissionName); 2959 if (pkgs == null) { 2960 return null; 2961 } 2962 return pkgs.toArray(new String[pkgs.size()]); 2963 } 2964 } 2965 2966 @Override 2967 public ResolveInfo resolveIntent(Intent intent, String resolvedType, 2968 int flags, int userId) { 2969 if (!sUserManager.exists(userId)) return null; 2970 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "resolve intent"); 2971 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2972 return chooseBestActivity(intent, resolvedType, flags, query, userId); 2973 } 2974 2975 @Override 2976 public void setLastChosenActivity(Intent intent, String resolvedType, int flags, 2977 IntentFilter filter, int match, ComponentName activity) { 2978 final int userId = UserHandle.getCallingUserId(); 2979 if (DEBUG_PREFERRED) { 2980 Log.v(TAG, "setLastChosenActivity intent=" + intent 2981 + " resolvedType=" + resolvedType 2982 + " flags=" + flags 2983 + " filter=" + filter 2984 + " match=" + match 2985 + " activity=" + activity); 2986 filter.dump(new PrintStreamPrinter(System.out), " "); 2987 } 2988 intent.setComponent(null); 2989 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 2990 // Find any earlier preferred or last chosen entries and nuke them 2991 findPreferredActivity(intent, resolvedType, 2992 flags, query, 0, false, true, false, userId); 2993 // Add the new activity as the last chosen for this filter 2994 addPreferredActivityInternal(filter, match, null, activity, false, userId, 2995 "Setting last chosen"); 2996 } 2997 2998 @Override 2999 public ResolveInfo getLastChosenActivity(Intent intent, String resolvedType, int flags) { 3000 final int userId = UserHandle.getCallingUserId(); 3001 if (DEBUG_PREFERRED) Log.v(TAG, "Querying last chosen activity for " + intent); 3002 List<ResolveInfo> query = queryIntentActivities(intent, resolvedType, flags, userId); 3003 return findPreferredActivity(intent, resolvedType, flags, query, 0, 3004 false, false, false, userId); 3005 } 3006 3007 private ResolveInfo chooseBestActivity(Intent intent, String resolvedType, 3008 int flags, List<ResolveInfo> query, int userId) { 3009 if (query != null) { 3010 final int N = query.size(); 3011 if (N == 1) { 3012 return query.get(0); 3013 } else if (N > 1) { 3014 final boolean debug = ((intent.getFlags() & Intent.FLAG_DEBUG_LOG_RESOLUTION) != 0); 3015 // If there is more than one activity with the same priority, 3016 // then let the user decide between them. 3017 ResolveInfo r0 = query.get(0); 3018 ResolveInfo r1 = query.get(1); 3019 if (DEBUG_INTENT_MATCHING || debug) { 3020 Slog.v(TAG, r0.activityInfo.name + "=" + r0.priority + " vs " 3021 + r1.activityInfo.name + "=" + r1.priority); 3022 } 3023 // If the first activity has a higher priority, or a different 3024 // default, then it is always desireable to pick it. 3025 if (r0.priority != r1.priority 3026 || r0.preferredOrder != r1.preferredOrder 3027 || r0.isDefault != r1.isDefault) { 3028 return query.get(0); 3029 } 3030 // If we have saved a preference for a preferred activity for 3031 // this Intent, use that. 3032 ResolveInfo ri = findPreferredActivity(intent, resolvedType, 3033 flags, query, r0.priority, true, false, debug, userId); 3034 if (ri != null) { 3035 return ri; 3036 } 3037 if (userId != 0) { 3038 ri = new ResolveInfo(mResolveInfo); 3039 ri.activityInfo = new ActivityInfo(ri.activityInfo); 3040 ri.activityInfo.applicationInfo = new ApplicationInfo( 3041 ri.activityInfo.applicationInfo); 3042 ri.activityInfo.applicationInfo.uid = UserHandle.getUid(userId, 3043 UserHandle.getAppId(ri.activityInfo.applicationInfo.uid)); 3044 return ri; 3045 } 3046 return mResolveInfo; 3047 } 3048 } 3049 return null; 3050 } 3051 3052 private ResolveInfo findPersistentPreferredActivityLP(Intent intent, String resolvedType, 3053 int flags, List<ResolveInfo> query, boolean debug, int userId) { 3054 final int N = query.size(); 3055 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 3056 .get(userId); 3057 // Get the list of persistent preferred activities that handle the intent 3058 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for presistent preferred activities..."); 3059 List<PersistentPreferredActivity> pprefs = ppir != null 3060 ? ppir.queryIntent(intent, resolvedType, 3061 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3062 : null; 3063 if (pprefs != null && pprefs.size() > 0) { 3064 final int M = pprefs.size(); 3065 for (int i=0; i<M; i++) { 3066 final PersistentPreferredActivity ppa = pprefs.get(i); 3067 if (DEBUG_PREFERRED || debug) { 3068 Slog.v(TAG, "Checking PersistentPreferredActivity ds=" 3069 + (ppa.countDataSchemes() > 0 ? ppa.getDataScheme(0) : "<none>") 3070 + "\n component=" + ppa.mComponent); 3071 ppa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3072 } 3073 final ActivityInfo ai = getActivityInfo(ppa.mComponent, 3074 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3075 if (DEBUG_PREFERRED || debug) { 3076 Slog.v(TAG, "Found persistent preferred activity:"); 3077 if (ai != null) { 3078 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3079 } else { 3080 Slog.v(TAG, " null"); 3081 } 3082 } 3083 if (ai == null) { 3084 // This previously registered persistent preferred activity 3085 // component is no longer known. Ignore it and do NOT remove it. 3086 continue; 3087 } 3088 for (int j=0; j<N; j++) { 3089 final ResolveInfo ri = query.get(j); 3090 if (!ri.activityInfo.applicationInfo.packageName 3091 .equals(ai.applicationInfo.packageName)) { 3092 continue; 3093 } 3094 if (!ri.activityInfo.name.equals(ai.name)) { 3095 continue; 3096 } 3097 // Found a persistent preference that can handle the intent. 3098 if (DEBUG_PREFERRED || debug) { 3099 Slog.v(TAG, "Returning persistent preferred activity: " + 3100 ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3101 } 3102 return ri; 3103 } 3104 } 3105 } 3106 return null; 3107 } 3108 3109 ResolveInfo findPreferredActivity(Intent intent, String resolvedType, int flags, 3110 List<ResolveInfo> query, int priority, boolean always, 3111 boolean removeMatches, boolean debug, int userId) { 3112 if (!sUserManager.exists(userId)) return null; 3113 // writer 3114 synchronized (mPackages) { 3115 if (intent.getSelector() != null) { 3116 intent = intent.getSelector(); 3117 } 3118 if (DEBUG_PREFERRED) intent.addFlags(Intent.FLAG_DEBUG_LOG_RESOLUTION); 3119 3120 // Try to find a matching persistent preferred activity. 3121 ResolveInfo pri = findPersistentPreferredActivityLP(intent, resolvedType, flags, query, 3122 debug, userId); 3123 3124 // If a persistent preferred activity matched, use it. 3125 if (pri != null) { 3126 return pri; 3127 } 3128 3129 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 3130 // Get the list of preferred activities that handle the intent 3131 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Looking for preferred activities..."); 3132 List<PreferredActivity> prefs = pir != null 3133 ? pir.queryIntent(intent, resolvedType, 3134 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId) 3135 : null; 3136 if (prefs != null && prefs.size() > 0) { 3137 boolean changed = false; 3138 try { 3139 // First figure out how good the original match set is. 3140 // We will only allow preferred activities that came 3141 // from the same match quality. 3142 int match = 0; 3143 3144 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Figuring out best match..."); 3145 3146 final int N = query.size(); 3147 for (int j=0; j<N; j++) { 3148 final ResolveInfo ri = query.get(j); 3149 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Match for " + ri.activityInfo 3150 + ": 0x" + Integer.toHexString(match)); 3151 if (ri.match > match) { 3152 match = ri.match; 3153 } 3154 } 3155 3156 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Best match: 0x" 3157 + Integer.toHexString(match)); 3158 3159 match &= IntentFilter.MATCH_CATEGORY_MASK; 3160 final int M = prefs.size(); 3161 for (int i=0; i<M; i++) { 3162 final PreferredActivity pa = prefs.get(i); 3163 if (DEBUG_PREFERRED || debug) { 3164 Slog.v(TAG, "Checking PreferredActivity ds=" 3165 + (pa.countDataSchemes() > 0 ? pa.getDataScheme(0) : "<none>") 3166 + "\n component=" + pa.mPref.mComponent); 3167 pa.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3168 } 3169 if (pa.mPref.mMatch != match) { 3170 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping bad match " 3171 + Integer.toHexString(pa.mPref.mMatch)); 3172 continue; 3173 } 3174 // If it's not an "always" type preferred activity and that's what we're 3175 // looking for, skip it. 3176 if (always && !pa.mPref.mAlways) { 3177 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Skipping mAlways=false entry"); 3178 continue; 3179 } 3180 final ActivityInfo ai = getActivityInfo(pa.mPref.mComponent, 3181 flags | PackageManager.GET_DISABLED_COMPONENTS, userId); 3182 if (DEBUG_PREFERRED || debug) { 3183 Slog.v(TAG, "Found preferred activity:"); 3184 if (ai != null) { 3185 ai.dump(new LogPrinter(Log.VERBOSE, TAG, Log.LOG_ID_SYSTEM), " "); 3186 } else { 3187 Slog.v(TAG, " null"); 3188 } 3189 } 3190 if (ai == null) { 3191 // This previously registered preferred activity 3192 // component is no longer known. Most likely an update 3193 // to the app was installed and in the new version this 3194 // component no longer exists. Clean it up by removing 3195 // it from the preferred activities list, and skip it. 3196 Slog.w(TAG, "Removing dangling preferred activity: " 3197 + pa.mPref.mComponent); 3198 pir.removeFilter(pa); 3199 changed = true; 3200 continue; 3201 } 3202 for (int j=0; j<N; j++) { 3203 final ResolveInfo ri = query.get(j); 3204 if (!ri.activityInfo.applicationInfo.packageName 3205 .equals(ai.applicationInfo.packageName)) { 3206 continue; 3207 } 3208 if (!ri.activityInfo.name.equals(ai.name)) { 3209 continue; 3210 } 3211 3212 if (removeMatches) { 3213 pir.removeFilter(pa); 3214 changed = true; 3215 if (DEBUG_PREFERRED) { 3216 Slog.v(TAG, "Removing match " + pa.mPref.mComponent); 3217 } 3218 break; 3219 } 3220 3221 // Okay we found a previously set preferred or last chosen app. 3222 // If the result set is different from when this 3223 // was created, we need to clear it and re-ask the 3224 // user their preference, if we're looking for an "always" type entry. 3225 if (always && !pa.mPref.sameSet(query, priority)) { 3226 Slog.i(TAG, "Result set changed, dropping preferred activity for " 3227 + intent + " type " + resolvedType); 3228 if (DEBUG_PREFERRED) { 3229 Slog.v(TAG, "Removing preferred activity since set changed " 3230 + pa.mPref.mComponent); 3231 } 3232 pir.removeFilter(pa); 3233 // Re-add the filter as a "last chosen" entry (!always) 3234 PreferredActivity lastChosen = new PreferredActivity( 3235 pa, pa.mPref.mMatch, null, pa.mPref.mComponent, false); 3236 pir.addFilter(lastChosen); 3237 changed = true; 3238 return null; 3239 } 3240 3241 // Yay! Either the set matched or we're looking for the last chosen 3242 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "Returning preferred activity: " 3243 + ri.activityInfo.packageName + "/" + ri.activityInfo.name); 3244 return ri; 3245 } 3246 } 3247 } finally { 3248 if (changed) { 3249 if (DEBUG_PREFERRED) { 3250 Slog.v(TAG, "Preferred activity bookkeeping changed; writing restrictions"); 3251 } 3252 mSettings.writePackageRestrictionsLPr(userId); 3253 } 3254 } 3255 } 3256 } 3257 if (DEBUG_PREFERRED || debug) Slog.v(TAG, "No preferred activity to return"); 3258 return null; 3259 } 3260 3261 /* 3262 * Returns if intent can be forwarded from the sourceUserId to the targetUserId 3263 */ 3264 @Override 3265 public boolean canForwardTo(Intent intent, String resolvedType, int sourceUserId, 3266 int targetUserId) { 3267 mContext.enforceCallingOrSelfPermission( 3268 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 3269 List<CrossProfileIntentFilter> matches = 3270 getMatchingCrossProfileIntentFilters(intent, resolvedType, sourceUserId); 3271 if (matches != null) { 3272 int size = matches.size(); 3273 for (int i = 0; i < size; i++) { 3274 if (matches.get(i).getTargetUserId() == targetUserId) return true; 3275 } 3276 } 3277 return false; 3278 } 3279 3280 private List<CrossProfileIntentFilter> getMatchingCrossProfileIntentFilters(Intent intent, 3281 String resolvedType, int userId) { 3282 CrossProfileIntentResolver resolver = mSettings.mCrossProfileIntentResolvers.get(userId); 3283 if (resolver != null) { 3284 return resolver.queryIntent(intent, resolvedType, false, userId); 3285 } 3286 return null; 3287 } 3288 3289 @Override 3290 public List<ResolveInfo> queryIntentActivities(Intent intent, 3291 String resolvedType, int flags, int userId) { 3292 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3293 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, false, "query intent activities"); 3294 ComponentName comp = intent.getComponent(); 3295 if (comp == null) { 3296 if (intent.getSelector() != null) { 3297 intent = intent.getSelector(); 3298 comp = intent.getComponent(); 3299 } 3300 } 3301 3302 if (comp != null) { 3303 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3304 final ActivityInfo ai = getActivityInfo(comp, flags, userId); 3305 if (ai != null) { 3306 final ResolveInfo ri = new ResolveInfo(); 3307 ri.activityInfo = ai; 3308 list.add(ri); 3309 } 3310 return list; 3311 } 3312 3313 // reader 3314 synchronized (mPackages) { 3315 final String pkgName = intent.getPackage(); 3316 if (pkgName == null) { 3317 List<CrossProfileIntentFilter> matchingFilters = 3318 getMatchingCrossProfileIntentFilters(intent, resolvedType, userId); 3319 // Check for results that need to skip the current profile. 3320 ResolveInfo resolveInfo = querySkipCurrentProfileIntents(matchingFilters, intent, 3321 resolvedType, flags, userId); 3322 if (resolveInfo != null) { 3323 List<ResolveInfo> result = new ArrayList<ResolveInfo>(1); 3324 result.add(resolveInfo); 3325 return result; 3326 } 3327 // Check for cross profile results. 3328 resolveInfo = queryCrossProfileIntents( 3329 matchingFilters, intent, resolvedType, flags, userId); 3330 3331 // Check for results in the current profile. 3332 List<ResolveInfo> result = mActivities.queryIntent( 3333 intent, resolvedType, flags, userId); 3334 if (resolveInfo != null) { 3335 result.add(resolveInfo); 3336 Collections.sort(result, mResolvePrioritySorter); 3337 } 3338 return result; 3339 } 3340 final PackageParser.Package pkg = mPackages.get(pkgName); 3341 if (pkg != null) { 3342 return mActivities.queryIntentForPackage(intent, resolvedType, flags, 3343 pkg.activities, userId); 3344 } 3345 return new ArrayList<ResolveInfo>(); 3346 } 3347 } 3348 3349 private ResolveInfo querySkipCurrentProfileIntents( 3350 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3351 int flags, int sourceUserId) { 3352 if (matchingFilters != null) { 3353 int size = matchingFilters.size(); 3354 for (int i = 0; i < size; i ++) { 3355 CrossProfileIntentFilter filter = matchingFilters.get(i); 3356 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) != 0) { 3357 // Checking if there are activities in the target user that can handle the 3358 // intent. 3359 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3360 flags, sourceUserId); 3361 if (resolveInfo != null) { 3362 return resolveInfo; 3363 } 3364 } 3365 } 3366 } 3367 return null; 3368 } 3369 3370 // Return matching ResolveInfo if any for skip current profile intent filters. 3371 private ResolveInfo queryCrossProfileIntents( 3372 List<CrossProfileIntentFilter> matchingFilters, Intent intent, String resolvedType, 3373 int flags, int sourceUserId) { 3374 if (matchingFilters != null) { 3375 // Two {@link CrossProfileIntentFilter}s can have the same targetUserId and 3376 // match the same intent. For performance reasons, it is better not to 3377 // run queryIntent twice for the same userId 3378 SparseBooleanArray alreadyTriedUserIds = new SparseBooleanArray(); 3379 int size = matchingFilters.size(); 3380 for (int i = 0; i < size; i++) { 3381 CrossProfileIntentFilter filter = matchingFilters.get(i); 3382 int targetUserId = filter.getTargetUserId(); 3383 if ((filter.getFlags() & PackageManager.SKIP_CURRENT_PROFILE) == 0 3384 && !alreadyTriedUserIds.get(targetUserId)) { 3385 // Checking if there are activities in the target user that can handle the 3386 // intent. 3387 ResolveInfo resolveInfo = checkTargetCanHandle(filter, intent, resolvedType, 3388 flags, sourceUserId); 3389 if (resolveInfo != null) return resolveInfo; 3390 alreadyTriedUserIds.put(targetUserId, true); 3391 } 3392 } 3393 } 3394 return null; 3395 } 3396 3397 private ResolveInfo checkTargetCanHandle(CrossProfileIntentFilter filter, Intent intent, 3398 String resolvedType, int flags, int sourceUserId) { 3399 List<ResolveInfo> resultTargetUser = mActivities.queryIntent(intent, 3400 resolvedType, flags, filter.getTargetUserId()); 3401 if (resultTargetUser != null && !resultTargetUser.isEmpty()) { 3402 return createForwardingResolveInfo(filter, sourceUserId, filter.getTargetUserId()); 3403 } 3404 return null; 3405 } 3406 3407 private ResolveInfo createForwardingResolveInfo(IntentFilter filter, 3408 int sourceUserId, int targetUserId) { 3409 ResolveInfo forwardingResolveInfo = new ResolveInfo(); 3410 String className; 3411 if (targetUserId == UserHandle.USER_OWNER) { 3412 className = FORWARD_INTENT_TO_USER_OWNER; 3413 } else { 3414 className = FORWARD_INTENT_TO_MANAGED_PROFILE; 3415 } 3416 ComponentName forwardingActivityComponentName = new ComponentName( 3417 mAndroidApplication.packageName, className); 3418 ActivityInfo forwardingActivityInfo = getActivityInfo(forwardingActivityComponentName, 0, 3419 sourceUserId); 3420 if (targetUserId == UserHandle.USER_OWNER) { 3421 forwardingActivityInfo.showUserIcon = UserHandle.USER_OWNER; 3422 forwardingResolveInfo.noResourceId = true; 3423 } 3424 forwardingResolveInfo.activityInfo = forwardingActivityInfo; 3425 forwardingResolveInfo.priority = 0; 3426 forwardingResolveInfo.preferredOrder = 0; 3427 forwardingResolveInfo.match = 0; 3428 forwardingResolveInfo.isDefault = true; 3429 forwardingResolveInfo.filter = filter; 3430 forwardingResolveInfo.targetUserId = targetUserId; 3431 return forwardingResolveInfo; 3432 } 3433 3434 @Override 3435 public List<ResolveInfo> queryIntentActivityOptions(ComponentName caller, 3436 Intent[] specifics, String[] specificTypes, Intent intent, 3437 String resolvedType, int flags, int userId) { 3438 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3439 enforceCrossUserPermission(Binder.getCallingUid(), userId, false, 3440 false, "query intent activity options"); 3441 final String resultsAction = intent.getAction(); 3442 3443 List<ResolveInfo> results = queryIntentActivities(intent, resolvedType, flags 3444 | PackageManager.GET_RESOLVED_FILTER, userId); 3445 3446 if (DEBUG_INTENT_MATCHING) { 3447 Log.v(TAG, "Query " + intent + ": " + results); 3448 } 3449 3450 int specificsPos = 0; 3451 int N; 3452 3453 // todo: note that the algorithm used here is O(N^2). This 3454 // isn't a problem in our current environment, but if we start running 3455 // into situations where we have more than 5 or 10 matches then this 3456 // should probably be changed to something smarter... 3457 3458 // First we go through and resolve each of the specific items 3459 // that were supplied, taking care of removing any corresponding 3460 // duplicate items in the generic resolve list. 3461 if (specifics != null) { 3462 for (int i=0; i<specifics.length; i++) { 3463 final Intent sintent = specifics[i]; 3464 if (sintent == null) { 3465 continue; 3466 } 3467 3468 if (DEBUG_INTENT_MATCHING) { 3469 Log.v(TAG, "Specific #" + i + ": " + sintent); 3470 } 3471 3472 String action = sintent.getAction(); 3473 if (resultsAction != null && resultsAction.equals(action)) { 3474 // If this action was explicitly requested, then don't 3475 // remove things that have it. 3476 action = null; 3477 } 3478 3479 ResolveInfo ri = null; 3480 ActivityInfo ai = null; 3481 3482 ComponentName comp = sintent.getComponent(); 3483 if (comp == null) { 3484 ri = resolveIntent( 3485 sintent, 3486 specificTypes != null ? specificTypes[i] : null, 3487 flags, userId); 3488 if (ri == null) { 3489 continue; 3490 } 3491 if (ri == mResolveInfo) { 3492 // ACK! Must do something better with this. 3493 } 3494 ai = ri.activityInfo; 3495 comp = new ComponentName(ai.applicationInfo.packageName, 3496 ai.name); 3497 } else { 3498 ai = getActivityInfo(comp, flags, userId); 3499 if (ai == null) { 3500 continue; 3501 } 3502 } 3503 3504 // Look for any generic query activities that are duplicates 3505 // of this specific one, and remove them from the results. 3506 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Specific #" + i + ": " + ai); 3507 N = results.size(); 3508 int j; 3509 for (j=specificsPos; j<N; j++) { 3510 ResolveInfo sri = results.get(j); 3511 if ((sri.activityInfo.name.equals(comp.getClassName()) 3512 && sri.activityInfo.applicationInfo.packageName.equals( 3513 comp.getPackageName())) 3514 || (action != null && sri.filter.matchAction(action))) { 3515 results.remove(j); 3516 if (DEBUG_INTENT_MATCHING) Log.v( 3517 TAG, "Removing duplicate item from " + j 3518 + " due to specific " + specificsPos); 3519 if (ri == null) { 3520 ri = sri; 3521 } 3522 j--; 3523 N--; 3524 } 3525 } 3526 3527 // Add this specific item to its proper place. 3528 if (ri == null) { 3529 ri = new ResolveInfo(); 3530 ri.activityInfo = ai; 3531 } 3532 results.add(specificsPos, ri); 3533 ri.specificIndex = i; 3534 specificsPos++; 3535 } 3536 } 3537 3538 // Now we go through the remaining generic results and remove any 3539 // duplicate actions that are found here. 3540 N = results.size(); 3541 for (int i=specificsPos; i<N-1; i++) { 3542 final ResolveInfo rii = results.get(i); 3543 if (rii.filter == null) { 3544 continue; 3545 } 3546 3547 // Iterate over all of the actions of this result's intent 3548 // filter... typically this should be just one. 3549 final Iterator<String> it = rii.filter.actionsIterator(); 3550 if (it == null) { 3551 continue; 3552 } 3553 while (it.hasNext()) { 3554 final String action = it.next(); 3555 if (resultsAction != null && resultsAction.equals(action)) { 3556 // If this action was explicitly requested, then don't 3557 // remove things that have it. 3558 continue; 3559 } 3560 for (int j=i+1; j<N; j++) { 3561 final ResolveInfo rij = results.get(j); 3562 if (rij.filter != null && rij.filter.hasAction(action)) { 3563 results.remove(j); 3564 if (DEBUG_INTENT_MATCHING) Log.v( 3565 TAG, "Removing duplicate item from " + j 3566 + " due to action " + action + " at " + i); 3567 j--; 3568 N--; 3569 } 3570 } 3571 } 3572 3573 // If the caller didn't request filter information, drop it now 3574 // so we don't have to marshall/unmarshall it. 3575 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3576 rii.filter = null; 3577 } 3578 } 3579 3580 // Filter out the caller activity if so requested. 3581 if (caller != null) { 3582 N = results.size(); 3583 for (int i=0; i<N; i++) { 3584 ActivityInfo ainfo = results.get(i).activityInfo; 3585 if (caller.getPackageName().equals(ainfo.applicationInfo.packageName) 3586 && caller.getClassName().equals(ainfo.name)) { 3587 results.remove(i); 3588 break; 3589 } 3590 } 3591 } 3592 3593 // If the caller didn't request filter information, 3594 // drop them now so we don't have to 3595 // marshall/unmarshall it. 3596 if ((flags&PackageManager.GET_RESOLVED_FILTER) == 0) { 3597 N = results.size(); 3598 for (int i=0; i<N; i++) { 3599 results.get(i).filter = null; 3600 } 3601 } 3602 3603 if (DEBUG_INTENT_MATCHING) Log.v(TAG, "Result: " + results); 3604 return results; 3605 } 3606 3607 @Override 3608 public List<ResolveInfo> queryIntentReceivers(Intent intent, String resolvedType, int flags, 3609 int userId) { 3610 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3611 ComponentName comp = intent.getComponent(); 3612 if (comp == null) { 3613 if (intent.getSelector() != null) { 3614 intent = intent.getSelector(); 3615 comp = intent.getComponent(); 3616 } 3617 } 3618 if (comp != null) { 3619 List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3620 ActivityInfo ai = getReceiverInfo(comp, flags, userId); 3621 if (ai != null) { 3622 ResolveInfo ri = new ResolveInfo(); 3623 ri.activityInfo = ai; 3624 list.add(ri); 3625 } 3626 return list; 3627 } 3628 3629 // reader 3630 synchronized (mPackages) { 3631 String pkgName = intent.getPackage(); 3632 if (pkgName == null) { 3633 return mReceivers.queryIntent(intent, resolvedType, flags, userId); 3634 } 3635 final PackageParser.Package pkg = mPackages.get(pkgName); 3636 if (pkg != null) { 3637 return mReceivers.queryIntentForPackage(intent, resolvedType, flags, pkg.receivers, 3638 userId); 3639 } 3640 return null; 3641 } 3642 } 3643 3644 @Override 3645 public ResolveInfo resolveService(Intent intent, String resolvedType, int flags, int userId) { 3646 List<ResolveInfo> query = queryIntentServices(intent, resolvedType, flags, userId); 3647 if (!sUserManager.exists(userId)) return null; 3648 if (query != null) { 3649 if (query.size() >= 1) { 3650 // If there is more than one service with the same priority, 3651 // just arbitrarily pick the first one. 3652 return query.get(0); 3653 } 3654 } 3655 return null; 3656 } 3657 3658 @Override 3659 public List<ResolveInfo> queryIntentServices(Intent intent, String resolvedType, int flags, 3660 int userId) { 3661 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3662 ComponentName comp = intent.getComponent(); 3663 if (comp == null) { 3664 if (intent.getSelector() != null) { 3665 intent = intent.getSelector(); 3666 comp = intent.getComponent(); 3667 } 3668 } 3669 if (comp != null) { 3670 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3671 final ServiceInfo si = getServiceInfo(comp, flags, userId); 3672 if (si != null) { 3673 final ResolveInfo ri = new ResolveInfo(); 3674 ri.serviceInfo = si; 3675 list.add(ri); 3676 } 3677 return list; 3678 } 3679 3680 // reader 3681 synchronized (mPackages) { 3682 String pkgName = intent.getPackage(); 3683 if (pkgName == null) { 3684 return mServices.queryIntent(intent, resolvedType, flags, userId); 3685 } 3686 final PackageParser.Package pkg = mPackages.get(pkgName); 3687 if (pkg != null) { 3688 return mServices.queryIntentForPackage(intent, resolvedType, flags, pkg.services, 3689 userId); 3690 } 3691 return null; 3692 } 3693 } 3694 3695 @Override 3696 public List<ResolveInfo> queryIntentContentProviders( 3697 Intent intent, String resolvedType, int flags, int userId) { 3698 if (!sUserManager.exists(userId)) return Collections.emptyList(); 3699 ComponentName comp = intent.getComponent(); 3700 if (comp == null) { 3701 if (intent.getSelector() != null) { 3702 intent = intent.getSelector(); 3703 comp = intent.getComponent(); 3704 } 3705 } 3706 if (comp != null) { 3707 final List<ResolveInfo> list = new ArrayList<ResolveInfo>(1); 3708 final ProviderInfo pi = getProviderInfo(comp, flags, userId); 3709 if (pi != null) { 3710 final ResolveInfo ri = new ResolveInfo(); 3711 ri.providerInfo = pi; 3712 list.add(ri); 3713 } 3714 return list; 3715 } 3716 3717 // reader 3718 synchronized (mPackages) { 3719 String pkgName = intent.getPackage(); 3720 if (pkgName == null) { 3721 return mProviders.queryIntent(intent, resolvedType, flags, userId); 3722 } 3723 final PackageParser.Package pkg = mPackages.get(pkgName); 3724 if (pkg != null) { 3725 return mProviders.queryIntentForPackage( 3726 intent, resolvedType, flags, pkg.providers, userId); 3727 } 3728 return null; 3729 } 3730 } 3731 3732 @Override 3733 public ParceledListSlice<PackageInfo> getInstalledPackages(int flags, int userId) { 3734 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3735 3736 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "get installed packages"); 3737 3738 // writer 3739 synchronized (mPackages) { 3740 ArrayList<PackageInfo> list; 3741 if (listUninstalled) { 3742 list = new ArrayList<PackageInfo>(mSettings.mPackages.size()); 3743 for (PackageSetting ps : mSettings.mPackages.values()) { 3744 PackageInfo pi; 3745 if (ps.pkg != null) { 3746 pi = generatePackageInfo(ps.pkg, flags, userId); 3747 } else { 3748 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3749 } 3750 if (pi != null) { 3751 list.add(pi); 3752 } 3753 } 3754 } else { 3755 list = new ArrayList<PackageInfo>(mPackages.size()); 3756 for (PackageParser.Package p : mPackages.values()) { 3757 PackageInfo pi = generatePackageInfo(p, flags, userId); 3758 if (pi != null) { 3759 list.add(pi); 3760 } 3761 } 3762 } 3763 3764 return new ParceledListSlice<PackageInfo>(list); 3765 } 3766 } 3767 3768 private void addPackageHoldingPermissions(ArrayList<PackageInfo> list, PackageSetting ps, 3769 String[] permissions, boolean[] tmp, int flags, int userId) { 3770 int numMatch = 0; 3771 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 3772 for (int i=0; i<permissions.length; i++) { 3773 if (gp.grantedPermissions.contains(permissions[i])) { 3774 tmp[i] = true; 3775 numMatch++; 3776 } else { 3777 tmp[i] = false; 3778 } 3779 } 3780 if (numMatch == 0) { 3781 return; 3782 } 3783 PackageInfo pi; 3784 if (ps.pkg != null) { 3785 pi = generatePackageInfo(ps.pkg, flags, userId); 3786 } else { 3787 pi = generatePackageInfoFromSettingsLPw(ps.name, flags, userId); 3788 } 3789 // The above might return null in cases of uninstalled apps or install-state 3790 // skew across users/profiles. 3791 if (pi != null) { 3792 if ((flags&PackageManager.GET_PERMISSIONS) == 0) { 3793 if (numMatch == permissions.length) { 3794 pi.requestedPermissions = permissions; 3795 } else { 3796 pi.requestedPermissions = new String[numMatch]; 3797 numMatch = 0; 3798 for (int i=0; i<permissions.length; i++) { 3799 if (tmp[i]) { 3800 pi.requestedPermissions[numMatch] = permissions[i]; 3801 numMatch++; 3802 } 3803 } 3804 } 3805 } 3806 list.add(pi); 3807 } 3808 } 3809 3810 @Override 3811 public ParceledListSlice<PackageInfo> getPackagesHoldingPermissions( 3812 String[] permissions, int flags, int userId) { 3813 if (!sUserManager.exists(userId)) return null; 3814 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3815 3816 // writer 3817 synchronized (mPackages) { 3818 ArrayList<PackageInfo> list = new ArrayList<PackageInfo>(); 3819 boolean[] tmpBools = new boolean[permissions.length]; 3820 if (listUninstalled) { 3821 for (PackageSetting ps : mSettings.mPackages.values()) { 3822 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, userId); 3823 } 3824 } else { 3825 for (PackageParser.Package pkg : mPackages.values()) { 3826 PackageSetting ps = (PackageSetting)pkg.mExtras; 3827 if (ps != null) { 3828 addPackageHoldingPermissions(list, ps, permissions, tmpBools, flags, 3829 userId); 3830 } 3831 } 3832 } 3833 3834 return new ParceledListSlice<PackageInfo>(list); 3835 } 3836 } 3837 3838 @Override 3839 public ParceledListSlice<ApplicationInfo> getInstalledApplications(int flags, int userId) { 3840 if (!sUserManager.exists(userId)) return null; 3841 final boolean listUninstalled = (flags & PackageManager.GET_UNINSTALLED_PACKAGES) != 0; 3842 3843 // writer 3844 synchronized (mPackages) { 3845 ArrayList<ApplicationInfo> list; 3846 if (listUninstalled) { 3847 list = new ArrayList<ApplicationInfo>(mSettings.mPackages.size()); 3848 for (PackageSetting ps : mSettings.mPackages.values()) { 3849 ApplicationInfo ai; 3850 if (ps.pkg != null) { 3851 ai = PackageParser.generateApplicationInfo(ps.pkg, flags, 3852 ps.readUserState(userId), userId); 3853 } else { 3854 ai = generateApplicationInfoFromSettingsLPw(ps.name, flags, userId); 3855 } 3856 if (ai != null) { 3857 list.add(ai); 3858 } 3859 } 3860 } else { 3861 list = new ArrayList<ApplicationInfo>(mPackages.size()); 3862 for (PackageParser.Package p : mPackages.values()) { 3863 if (p.mExtras != null) { 3864 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3865 ((PackageSetting)p.mExtras).readUserState(userId), userId); 3866 if (ai != null) { 3867 list.add(ai); 3868 } 3869 } 3870 } 3871 } 3872 3873 return new ParceledListSlice<ApplicationInfo>(list); 3874 } 3875 } 3876 3877 public List<ApplicationInfo> getPersistentApplications(int flags) { 3878 final ArrayList<ApplicationInfo> finalList = new ArrayList<ApplicationInfo>(); 3879 3880 // reader 3881 synchronized (mPackages) { 3882 final Iterator<PackageParser.Package> i = mPackages.values().iterator(); 3883 final int userId = UserHandle.getCallingUserId(); 3884 while (i.hasNext()) { 3885 final PackageParser.Package p = i.next(); 3886 if (p.applicationInfo != null 3887 && (p.applicationInfo.flags&ApplicationInfo.FLAG_PERSISTENT) != 0 3888 && (!mSafeMode || isSystemApp(p))) { 3889 PackageSetting ps = mSettings.mPackages.get(p.packageName); 3890 if (ps != null) { 3891 ApplicationInfo ai = PackageParser.generateApplicationInfo(p, flags, 3892 ps.readUserState(userId), userId); 3893 if (ai != null) { 3894 finalList.add(ai); 3895 } 3896 } 3897 } 3898 } 3899 } 3900 3901 return finalList; 3902 } 3903 3904 @Override 3905 public ProviderInfo resolveContentProvider(String name, int flags, int userId) { 3906 if (!sUserManager.exists(userId)) return null; 3907 // reader 3908 synchronized (mPackages) { 3909 final PackageParser.Provider provider = mProvidersByAuthority.get(name); 3910 PackageSetting ps = provider != null 3911 ? mSettings.mPackages.get(provider.owner.packageName) 3912 : null; 3913 return ps != null 3914 && mSettings.isEnabledLPr(provider.info, flags, userId) 3915 && (!mSafeMode || (provider.info.applicationInfo.flags 3916 &ApplicationInfo.FLAG_SYSTEM) != 0) 3917 ? PackageParser.generateProviderInfo(provider, flags, 3918 ps.readUserState(userId), userId) 3919 : null; 3920 } 3921 } 3922 3923 /** 3924 * @deprecated 3925 */ 3926 @Deprecated 3927 public void querySyncProviders(List<String> outNames, List<ProviderInfo> outInfo) { 3928 // reader 3929 synchronized (mPackages) { 3930 final Iterator<Map.Entry<String, PackageParser.Provider>> i = mProvidersByAuthority 3931 .entrySet().iterator(); 3932 final int userId = UserHandle.getCallingUserId(); 3933 while (i.hasNext()) { 3934 Map.Entry<String, PackageParser.Provider> entry = i.next(); 3935 PackageParser.Provider p = entry.getValue(); 3936 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3937 3938 if (ps != null && p.syncable 3939 && (!mSafeMode || (p.info.applicationInfo.flags 3940 &ApplicationInfo.FLAG_SYSTEM) != 0)) { 3941 ProviderInfo info = PackageParser.generateProviderInfo(p, 0, 3942 ps.readUserState(userId), userId); 3943 if (info != null) { 3944 outNames.add(entry.getKey()); 3945 outInfo.add(info); 3946 } 3947 } 3948 } 3949 } 3950 } 3951 3952 @Override 3953 public List<ProviderInfo> queryContentProviders(String processName, 3954 int uid, int flags) { 3955 ArrayList<ProviderInfo> finalList = null; 3956 // reader 3957 synchronized (mPackages) { 3958 final Iterator<PackageParser.Provider> i = mProviders.mProviders.values().iterator(); 3959 final int userId = processName != null ? 3960 UserHandle.getUserId(uid) : UserHandle.getCallingUserId(); 3961 while (i.hasNext()) { 3962 final PackageParser.Provider p = i.next(); 3963 PackageSetting ps = mSettings.mPackages.get(p.owner.packageName); 3964 if (ps != null && p.info.authority != null 3965 && (processName == null 3966 || (p.info.processName.equals(processName) 3967 && UserHandle.isSameApp(p.info.applicationInfo.uid, uid))) 3968 && mSettings.isEnabledLPr(p.info, flags, userId) 3969 && (!mSafeMode 3970 || (p.info.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0)) { 3971 if (finalList == null) { 3972 finalList = new ArrayList<ProviderInfo>(3); 3973 } 3974 ProviderInfo info = PackageParser.generateProviderInfo(p, flags, 3975 ps.readUserState(userId), userId); 3976 if (info != null) { 3977 finalList.add(info); 3978 } 3979 } 3980 } 3981 } 3982 3983 if (finalList != null) { 3984 Collections.sort(finalList, mProviderInitOrderSorter); 3985 } 3986 3987 return finalList; 3988 } 3989 3990 @Override 3991 public InstrumentationInfo getInstrumentationInfo(ComponentName name, 3992 int flags) { 3993 // reader 3994 synchronized (mPackages) { 3995 final PackageParser.Instrumentation i = mInstrumentation.get(name); 3996 return PackageParser.generateInstrumentationInfo(i, flags); 3997 } 3998 } 3999 4000 @Override 4001 public List<InstrumentationInfo> queryInstrumentation(String targetPackage, 4002 int flags) { 4003 ArrayList<InstrumentationInfo> finalList = 4004 new ArrayList<InstrumentationInfo>(); 4005 4006 // reader 4007 synchronized (mPackages) { 4008 final Iterator<PackageParser.Instrumentation> i = mInstrumentation.values().iterator(); 4009 while (i.hasNext()) { 4010 final PackageParser.Instrumentation p = i.next(); 4011 if (targetPackage == null 4012 || targetPackage.equals(p.info.targetPackage)) { 4013 InstrumentationInfo ii = PackageParser.generateInstrumentationInfo(p, 4014 flags); 4015 if (ii != null) { 4016 finalList.add(ii); 4017 } 4018 } 4019 } 4020 } 4021 4022 return finalList; 4023 } 4024 4025 private void createIdmapsForPackageLI(PackageParser.Package pkg) { 4026 HashMap<String, PackageParser.Package> overlays = mOverlays.get(pkg.packageName); 4027 if (overlays == null) { 4028 Slog.w(TAG, "Unable to create idmap for " + pkg.packageName + ": no overlay packages"); 4029 return; 4030 } 4031 for (PackageParser.Package opkg : overlays.values()) { 4032 // Not much to do if idmap fails: we already logged the error 4033 // and we certainly don't want to abort installation of pkg simply 4034 // because an overlay didn't fit properly. For these reasons, 4035 // ignore the return value of createIdmapForPackagePairLI. 4036 createIdmapForPackagePairLI(pkg, opkg); 4037 } 4038 } 4039 4040 private boolean createIdmapForPackagePairLI(PackageParser.Package pkg, 4041 PackageParser.Package opkg) { 4042 if (!opkg.mTrustedOverlay) { 4043 Slog.w(TAG, "Skipping target and overlay pair " + pkg.baseCodePath + " and " + 4044 opkg.baseCodePath + ": overlay not trusted"); 4045 return false; 4046 } 4047 HashMap<String, PackageParser.Package> overlaySet = mOverlays.get(pkg.packageName); 4048 if (overlaySet == null) { 4049 Slog.e(TAG, "was about to create idmap for " + pkg.baseCodePath + " and " + 4050 opkg.baseCodePath + " but target package has no known overlays"); 4051 return false; 4052 } 4053 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4054 // TODO: generate idmap for split APKs 4055 if (mInstaller.idmap(pkg.baseCodePath, opkg.baseCodePath, sharedGid) != 0) { 4056 Slog.e(TAG, "Failed to generate idmap for " + pkg.baseCodePath + " and " 4057 + opkg.baseCodePath); 4058 return false; 4059 } 4060 PackageParser.Package[] overlayArray = 4061 overlaySet.values().toArray(new PackageParser.Package[0]); 4062 Comparator<PackageParser.Package> cmp = new Comparator<PackageParser.Package>() { 4063 public int compare(PackageParser.Package p1, PackageParser.Package p2) { 4064 return p1.mOverlayPriority - p2.mOverlayPriority; 4065 } 4066 }; 4067 Arrays.sort(overlayArray, cmp); 4068 4069 pkg.applicationInfo.resourceDirs = new String[overlayArray.length]; 4070 int i = 0; 4071 for (PackageParser.Package p : overlayArray) { 4072 pkg.applicationInfo.resourceDirs[i++] = p.baseCodePath; 4073 } 4074 return true; 4075 } 4076 4077 private void scanDirLI(File dir, int parseFlags, int scanFlags, long currentTime) { 4078 final File[] files = dir.listFiles(); 4079 if (ArrayUtils.isEmpty(files)) { 4080 Log.d(TAG, "No files in app dir " + dir); 4081 return; 4082 } 4083 4084 if (DEBUG_PACKAGE_SCANNING) { 4085 Log.d(TAG, "Scanning app dir " + dir + " scanFlags=" + scanFlags 4086 + " flags=0x" + Integer.toHexString(parseFlags)); 4087 } 4088 4089 for (File file : files) { 4090 final boolean isPackage = (isApkFile(file) || file.isDirectory()) 4091 && !PackageInstallerService.isStageName(file.getName()); 4092 if (!isPackage) { 4093 // Ignore entries which are not packages 4094 continue; 4095 } 4096 try { 4097 scanPackageLI(file, parseFlags | PackageParser.PARSE_MUST_BE_APK, 4098 scanFlags, currentTime, null); 4099 } catch (PackageManagerException e) { 4100 Slog.w(TAG, "Failed to parse " + file + ": " + e.getMessage()); 4101 4102 // Delete invalid userdata apps 4103 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM) == 0 && 4104 e.error == PackageManager.INSTALL_FAILED_INVALID_APK) { 4105 logCriticalInfo(Log.WARN, "Deleting invalid package at " + file); 4106 if (file.isDirectory()) { 4107 FileUtils.deleteContents(file); 4108 } 4109 file.delete(); 4110 } 4111 } 4112 } 4113 } 4114 4115 private static File getSettingsProblemFile() { 4116 File dataDir = Environment.getDataDirectory(); 4117 File systemDir = new File(dataDir, "system"); 4118 File fname = new File(systemDir, "uiderrors.txt"); 4119 return fname; 4120 } 4121 4122 static void reportSettingsProblem(int priority, String msg) { 4123 logCriticalInfo(priority, msg); 4124 } 4125 4126 static void logCriticalInfo(int priority, String msg) { 4127 Slog.println(priority, TAG, msg); 4128 EventLogTags.writePmCriticalInfo(msg); 4129 try { 4130 File fname = getSettingsProblemFile(); 4131 FileOutputStream out = new FileOutputStream(fname, true); 4132 PrintWriter pw = new FastPrintWriter(out); 4133 SimpleDateFormat formatter = new SimpleDateFormat(); 4134 String dateString = formatter.format(new Date(System.currentTimeMillis())); 4135 pw.println(dateString + ": " + msg); 4136 pw.close(); 4137 FileUtils.setPermissions( 4138 fname.toString(), 4139 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IROTH, 4140 -1, -1); 4141 } catch (java.io.IOException e) { 4142 } 4143 } 4144 4145 private void collectCertificatesLI(PackageParser pp, PackageSetting ps, 4146 PackageParser.Package pkg, File srcFile, int parseFlags) 4147 throws PackageManagerException { 4148 if (ps != null 4149 && ps.codePath.equals(srcFile) 4150 && ps.timeStamp == srcFile.lastModified() 4151 && !isCompatSignatureUpdateNeeded(pkg)) { 4152 long mSigningKeySetId = ps.keySetData.getProperSigningKeySet(); 4153 if (ps.signatures.mSignatures != null 4154 && ps.signatures.mSignatures.length != 0 4155 && mSigningKeySetId != PackageKeySetData.KEYSET_UNASSIGNED) { 4156 // Optimization: reuse the existing cached certificates 4157 // if the package appears to be unchanged. 4158 pkg.mSignatures = ps.signatures.mSignatures; 4159 KeySetManagerService ksms = mSettings.mKeySetManagerService; 4160 synchronized (mPackages) { 4161 pkg.mSigningKeys = ksms.getPublicKeysFromKeySetLPr(mSigningKeySetId); 4162 } 4163 return; 4164 } 4165 4166 Slog.w(TAG, "PackageSetting for " + ps.name 4167 + " is missing signatures. Collecting certs again to recover them."); 4168 } else { 4169 Log.i(TAG, srcFile.toString() + " changed; collecting certs"); 4170 } 4171 4172 try { 4173 pp.collectCertificates(pkg, parseFlags); 4174 pp.collectManifestDigest(pkg); 4175 } catch (PackageParserException e) { 4176 throw PackageManagerException.from(e); 4177 } 4178 } 4179 4180 /* 4181 * Scan a package and return the newly parsed package. 4182 * Returns null in case of errors and the error code is stored in mLastScanError 4183 */ 4184 private PackageParser.Package scanPackageLI(File scanFile, int parseFlags, int scanFlags, 4185 long currentTime, UserHandle user) throws PackageManagerException { 4186 if (DEBUG_INSTALL) Slog.d(TAG, "Parsing: " + scanFile); 4187 parseFlags |= mDefParseFlags; 4188 PackageParser pp = new PackageParser(); 4189 pp.setSeparateProcesses(mSeparateProcesses); 4190 pp.setOnlyCoreApps(mOnlyCore); 4191 pp.setDisplayMetrics(mMetrics); 4192 4193 if ((scanFlags & SCAN_TRUSTED_OVERLAY) != 0) { 4194 parseFlags |= PackageParser.PARSE_TRUSTED_OVERLAY; 4195 } 4196 4197 final PackageParser.Package pkg; 4198 try { 4199 pkg = pp.parsePackage(scanFile, parseFlags); 4200 } catch (PackageParserException e) { 4201 throw PackageManagerException.from(e); 4202 } 4203 4204 PackageSetting ps = null; 4205 PackageSetting updatedPkg; 4206 // reader 4207 synchronized (mPackages) { 4208 // Look to see if we already know about this package. 4209 String oldName = mSettings.mRenamedPackages.get(pkg.packageName); 4210 if (pkg.mOriginalPackages != null && pkg.mOriginalPackages.contains(oldName)) { 4211 // This package has been renamed to its original name. Let's 4212 // use that. 4213 ps = mSettings.peekPackageLPr(oldName); 4214 } 4215 // If there was no original package, see one for the real package name. 4216 if (ps == null) { 4217 ps = mSettings.peekPackageLPr(pkg.packageName); 4218 } 4219 // Check to see if this package could be hiding/updating a system 4220 // package. Must look for it either under the original or real 4221 // package name depending on our state. 4222 updatedPkg = mSettings.getDisabledSystemPkgLPr(ps != null ? ps.name : pkg.packageName); 4223 if (DEBUG_INSTALL && updatedPkg != null) Slog.d(TAG, "updatedPkg = " + updatedPkg); 4224 } 4225 boolean updatedPkgBetter = false; 4226 // First check if this is a system package that may involve an update 4227 if (updatedPkg != null && (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 4228 // If new package is not located in "/system/priv-app" (e.g. due to an OTA), 4229 // it needs to drop FLAG_PRIVILEGED. 4230 if (locationIsPrivileged(scanFile)) { 4231 updatedPkg.pkgFlags |= ApplicationInfo.FLAG_PRIVILEGED; 4232 } else { 4233 updatedPkg.pkgFlags &= ~ApplicationInfo.FLAG_PRIVILEGED; 4234 } 4235 4236 if (ps != null && !ps.codePath.equals(scanFile)) { 4237 // The path has changed from what was last scanned... check the 4238 // version of the new path against what we have stored to determine 4239 // what to do. 4240 if (DEBUG_INSTALL) Slog.d(TAG, "Path changing from " + ps.codePath); 4241 if (pkg.mVersionCode < ps.versionCode) { 4242 // The system package has been updated and the code path does not match 4243 // Ignore entry. Skip it. 4244 logCriticalInfo(Log.INFO, "Package " + ps.name + " at " + scanFile 4245 + " ignored: updated version " + ps.versionCode 4246 + " better than this " + pkg.mVersionCode); 4247 if (!updatedPkg.codePath.equals(scanFile)) { 4248 Slog.w(PackageManagerService.TAG, "Code path for hidden system pkg : " 4249 + ps.name + " changing from " + updatedPkg.codePathString 4250 + " to " + scanFile); 4251 updatedPkg.codePath = scanFile; 4252 updatedPkg.codePathString = scanFile.toString(); 4253 updatedPkg.resourcePath = scanFile; 4254 updatedPkg.resourcePathString = scanFile.toString(); 4255 } 4256 updatedPkg.pkg = pkg; 4257 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, null); 4258 } else { 4259 // The current app on the system partition is better than 4260 // what we have updated to on the data partition; switch 4261 // back to the system partition version. 4262 // At this point, its safely assumed that package installation for 4263 // apps in system partition will go through. If not there won't be a working 4264 // version of the app 4265 // writer 4266 synchronized (mPackages) { 4267 // Just remove the loaded entries from package lists. 4268 mPackages.remove(ps.name); 4269 } 4270 4271 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4272 + " reverting from " + ps.codePathString 4273 + ": new version " + pkg.mVersionCode 4274 + " better than installed " + ps.versionCode); 4275 4276 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4277 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4278 getAppDexInstructionSets(ps)); 4279 synchronized (mInstallLock) { 4280 args.cleanUpResourcesLI(); 4281 } 4282 synchronized (mPackages) { 4283 mSettings.enableSystemPackageLPw(ps.name); 4284 } 4285 updatedPkgBetter = true; 4286 } 4287 } 4288 } 4289 4290 if (updatedPkg != null) { 4291 // An updated system app will not have the PARSE_IS_SYSTEM flag set 4292 // initially 4293 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 4294 4295 // An updated privileged app will not have the PARSE_IS_PRIVILEGED 4296 // flag set initially 4297 if ((updatedPkg.pkgFlags & ApplicationInfo.FLAG_PRIVILEGED) != 0) { 4298 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 4299 } 4300 } 4301 4302 // Verify certificates against what was last scanned 4303 collectCertificatesLI(pp, ps, pkg, scanFile, parseFlags); 4304 4305 /* 4306 * A new system app appeared, but we already had a non-system one of the 4307 * same name installed earlier. 4308 */ 4309 boolean shouldHideSystemApp = false; 4310 if (updatedPkg == null && ps != null 4311 && (parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) != 0 && !isSystemApp(ps)) { 4312 /* 4313 * Check to make sure the signatures match first. If they don't, 4314 * wipe the installed application and its data. 4315 */ 4316 if (compareSignatures(ps.signatures.mSignatures, pkg.mSignatures) 4317 != PackageManager.SIGNATURE_MATCH) { 4318 logCriticalInfo(Log.WARN, "Package " + ps.name + " appeared on system, but" 4319 + " signatures don't match existing userdata copy; removing"); 4320 deletePackageLI(pkg.packageName, null, true, null, null, 0, null, false); 4321 ps = null; 4322 } else { 4323 /* 4324 * If the newly-added system app is an older version than the 4325 * already installed version, hide it. It will be scanned later 4326 * and re-added like an update. 4327 */ 4328 if (pkg.mVersionCode < ps.versionCode) { 4329 shouldHideSystemApp = true; 4330 logCriticalInfo(Log.INFO, "Package " + ps.name + " appeared at " + scanFile 4331 + " but new version " + pkg.mVersionCode + " better than installed " 4332 + ps.versionCode + "; hiding system"); 4333 } else { 4334 /* 4335 * The newly found system app is a newer version that the 4336 * one previously installed. Simply remove the 4337 * already-installed application and replace it with our own 4338 * while keeping the application data. 4339 */ 4340 logCriticalInfo(Log.WARN, "Package " + ps.name + " at " + scanFile 4341 + " reverting from " + ps.codePathString + ": new version " 4342 + pkg.mVersionCode + " better than installed " + ps.versionCode); 4343 InstallArgs args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 4344 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 4345 getAppDexInstructionSets(ps)); 4346 synchronized (mInstallLock) { 4347 args.cleanUpResourcesLI(); 4348 } 4349 } 4350 } 4351 } 4352 4353 // The apk is forward locked (not public) if its code and resources 4354 // are kept in different files. (except for app in either system or 4355 // vendor path). 4356 // TODO grab this value from PackageSettings 4357 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 4358 if (ps != null && !ps.codePath.equals(ps.resourcePath)) { 4359 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 4360 } 4361 } 4362 4363 // TODO: extend to support forward-locked splits 4364 String resourcePath = null; 4365 String baseResourcePath = null; 4366 if ((parseFlags & PackageParser.PARSE_FORWARD_LOCK) != 0 && !updatedPkgBetter) { 4367 if (ps != null && ps.resourcePathString != null) { 4368 resourcePath = ps.resourcePathString; 4369 baseResourcePath = ps.resourcePathString; 4370 } else { 4371 // Should not happen at all. Just log an error. 4372 Slog.e(TAG, "Resource path not set for pkg : " + pkg.packageName); 4373 } 4374 } else { 4375 resourcePath = pkg.codePath; 4376 baseResourcePath = pkg.baseCodePath; 4377 } 4378 4379 // Set application objects path explicitly. 4380 pkg.applicationInfo.setCodePath(pkg.codePath); 4381 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 4382 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 4383 pkg.applicationInfo.setResourcePath(resourcePath); 4384 pkg.applicationInfo.setBaseResourcePath(baseResourcePath); 4385 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 4386 4387 // Note that we invoke the following method only if we are about to unpack an application 4388 PackageParser.Package scannedPkg = scanPackageLI(pkg, parseFlags, scanFlags 4389 | SCAN_UPDATE_SIGNATURE, currentTime, user); 4390 4391 /* 4392 * If the system app should be overridden by a previously installed 4393 * data, hide the system app now and let the /data/app scan pick it up 4394 * again. 4395 */ 4396 if (shouldHideSystemApp) { 4397 synchronized (mPackages) { 4398 /* 4399 * We have to grant systems permissions before we hide, because 4400 * grantPermissions will assume the package update is trying to 4401 * expand its permissions. 4402 */ 4403 grantPermissionsLPw(pkg, true, pkg.packageName); 4404 mSettings.disableSystemPackageLPw(pkg.packageName); 4405 } 4406 } 4407 4408 return scannedPkg; 4409 } 4410 4411 private static String fixProcessName(String defProcessName, 4412 String processName, int uid) { 4413 if (processName == null) { 4414 return defProcessName; 4415 } 4416 return processName; 4417 } 4418 4419 private void verifySignaturesLP(PackageSetting pkgSetting, PackageParser.Package pkg) 4420 throws PackageManagerException { 4421 if (pkgSetting.signatures.mSignatures != null) { 4422 // Already existing package. Make sure signatures match 4423 boolean match = compareSignatures(pkgSetting.signatures.mSignatures, pkg.mSignatures) 4424 == PackageManager.SIGNATURE_MATCH; 4425 if (!match) { 4426 match = compareSignaturesCompat(pkgSetting.signatures, pkg) 4427 == PackageManager.SIGNATURE_MATCH; 4428 } 4429 if (!match) { 4430 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 4431 + pkg.packageName + " signatures do not match the " 4432 + "previously installed version; ignoring!"); 4433 } 4434 } 4435 4436 // Check for shared user signatures 4437 if (pkgSetting.sharedUser != null && pkgSetting.sharedUser.signatures.mSignatures != null) { 4438 // Already existing package. Make sure signatures match 4439 boolean match = compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 4440 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 4441 if (!match) { 4442 match = compareSignaturesCompat(pkgSetting.sharedUser.signatures, pkg) 4443 == PackageManager.SIGNATURE_MATCH; 4444 } 4445 if (!match) { 4446 throw new PackageManagerException(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 4447 "Package " + pkg.packageName 4448 + " has no signatures that match those in shared user " 4449 + pkgSetting.sharedUser.name + "; ignoring!"); 4450 } 4451 } 4452 } 4453 4454 /** 4455 * Enforces that only the system UID or root's UID can call a method exposed 4456 * via Binder. 4457 * 4458 * @param message used as message if SecurityException is thrown 4459 * @throws SecurityException if the caller is not system or root 4460 */ 4461 private static final void enforceSystemOrRoot(String message) { 4462 final int uid = Binder.getCallingUid(); 4463 if (uid != Process.SYSTEM_UID && uid != 0) { 4464 throw new SecurityException(message); 4465 } 4466 } 4467 4468 @Override 4469 public void performBootDexOpt() { 4470 enforceSystemOrRoot("Only the system can request dexopt be performed"); 4471 4472 final HashSet<PackageParser.Package> pkgs; 4473 synchronized (mPackages) { 4474 pkgs = mDeferredDexOpt; 4475 mDeferredDexOpt = null; 4476 } 4477 4478 if (pkgs != null) { 4479 // Sort apps by importance for dexopt ordering. Important apps are given more priority 4480 // in case the device runs out of space. 4481 ArrayList<PackageParser.Package> sortedPkgs = new ArrayList<PackageParser.Package>(); 4482 // Give priority to core apps. 4483 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4484 PackageParser.Package pkg = it.next(); 4485 if (pkg.coreApp) { 4486 if (DEBUG_DEXOPT) { 4487 Log.i(TAG, "Adding core app " + sortedPkgs.size() + ": " + pkg.packageName); 4488 } 4489 sortedPkgs.add(pkg); 4490 it.remove(); 4491 } 4492 } 4493 // Give priority to system apps that listen for pre boot complete. 4494 Intent intent = new Intent(Intent.ACTION_PRE_BOOT_COMPLETED); 4495 HashSet<String> pkgNames = getPackageNamesForIntent(intent); 4496 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4497 PackageParser.Package pkg = it.next(); 4498 if (pkgNames.contains(pkg.packageName)) { 4499 if (DEBUG_DEXOPT) { 4500 Log.i(TAG, "Adding pre boot system app " + sortedPkgs.size() + ": " + pkg.packageName); 4501 } 4502 sortedPkgs.add(pkg); 4503 it.remove(); 4504 } 4505 } 4506 // Give priority to system apps. 4507 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4508 PackageParser.Package pkg = it.next(); 4509 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 4510 if (DEBUG_DEXOPT) { 4511 Log.i(TAG, "Adding system app " + sortedPkgs.size() + ": " + pkg.packageName); 4512 } 4513 sortedPkgs.add(pkg); 4514 it.remove(); 4515 } 4516 } 4517 // Give priority to updated system apps. 4518 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4519 PackageParser.Package pkg = it.next(); 4520 if (isUpdatedSystemApp(pkg)) { 4521 if (DEBUG_DEXOPT) { 4522 Log.i(TAG, "Adding updated system app " + sortedPkgs.size() + ": " + pkg.packageName); 4523 } 4524 sortedPkgs.add(pkg); 4525 it.remove(); 4526 } 4527 } 4528 // Give priority to apps that listen for boot complete. 4529 intent = new Intent(Intent.ACTION_BOOT_COMPLETED); 4530 pkgNames = getPackageNamesForIntent(intent); 4531 for (Iterator<PackageParser.Package> it = pkgs.iterator(); it.hasNext();) { 4532 PackageParser.Package pkg = it.next(); 4533 if (pkgNames.contains(pkg.packageName)) { 4534 if (DEBUG_DEXOPT) { 4535 Log.i(TAG, "Adding boot app " + sortedPkgs.size() + ": " + pkg.packageName); 4536 } 4537 sortedPkgs.add(pkg); 4538 it.remove(); 4539 } 4540 } 4541 // Filter out packages that aren't recently used. 4542 filterRecentlyUsedApps(pkgs); 4543 // Add all remaining apps. 4544 for (PackageParser.Package pkg : pkgs) { 4545 if (DEBUG_DEXOPT) { 4546 Log.i(TAG, "Adding app " + sortedPkgs.size() + ": " + pkg.packageName); 4547 } 4548 sortedPkgs.add(pkg); 4549 } 4550 4551 int i = 0; 4552 int total = sortedPkgs.size(); 4553 File dataDir = Environment.getDataDirectory(); 4554 long lowThreshold = StorageManager.from(mContext).getStorageLowBytes(dataDir); 4555 if (lowThreshold == 0) { 4556 throw new IllegalStateException("Invalid low memory threshold"); 4557 } 4558 for (PackageParser.Package pkg : sortedPkgs) { 4559 long usableSpace = dataDir.getUsableSpace(); 4560 if (usableSpace < lowThreshold) { 4561 Log.w(TAG, "Not running dexopt on remaining apps due to low memory: " + usableSpace); 4562 break; 4563 } 4564 performBootDexOpt(pkg, ++i, total); 4565 } 4566 } 4567 } 4568 4569 private void filterRecentlyUsedApps(HashSet<PackageParser.Package> pkgs) { 4570 // Filter out packages that aren't recently used. 4571 // 4572 // The exception is first boot of a non-eng device (aka !mLazyDexOpt), which 4573 // should do a full dexopt. 4574 if (mLazyDexOpt || (!isFirstBoot() && mPackageUsage.isHistoricalPackageUsageAvailable())) { 4575 // TODO: add a property to control this? 4576 long dexOptLRUThresholdInMinutes; 4577 if (mLazyDexOpt) { 4578 dexOptLRUThresholdInMinutes = 30; // only last 30 minutes of apps for eng builds. 4579 } else { 4580 dexOptLRUThresholdInMinutes = 7 * 24 * 60; // apps used in the 7 days for users. 4581 } 4582 long dexOptLRUThresholdInMills = dexOptLRUThresholdInMinutes * 60 * 1000; 4583 4584 int total = pkgs.size(); 4585 int skipped = 0; 4586 long now = System.currentTimeMillis(); 4587 for (Iterator<PackageParser.Package> i = pkgs.iterator(); i.hasNext();) { 4588 PackageParser.Package pkg = i.next(); 4589 long then = pkg.mLastPackageUsageTimeInMills; 4590 if (then + dexOptLRUThresholdInMills < now) { 4591 if (DEBUG_DEXOPT) { 4592 Log.i(TAG, "Skipping dexopt of " + pkg.packageName + " last resumed: " + 4593 ((then == 0) ? "never" : new Date(then))); 4594 } 4595 i.remove(); 4596 skipped++; 4597 } 4598 } 4599 if (DEBUG_DEXOPT) { 4600 Log.i(TAG, "Skipped optimizing " + skipped + " of " + total); 4601 } 4602 } 4603 } 4604 4605 private HashSet<String> getPackageNamesForIntent(Intent intent) { 4606 List<ResolveInfo> ris = null; 4607 try { 4608 ris = AppGlobals.getPackageManager().queryIntentReceivers( 4609 intent, null, 0, UserHandle.USER_OWNER); 4610 } catch (RemoteException e) { 4611 } 4612 HashSet<String> pkgNames = new HashSet<String>(); 4613 if (ris != null) { 4614 for (ResolveInfo ri : ris) { 4615 pkgNames.add(ri.activityInfo.packageName); 4616 } 4617 } 4618 return pkgNames; 4619 } 4620 4621 private void performBootDexOpt(PackageParser.Package pkg, int curr, int total) { 4622 if (DEBUG_DEXOPT) { 4623 Log.i(TAG, "Optimizing app " + curr + " of " + total + ": " + pkg.packageName); 4624 } 4625 if (!isFirstBoot()) { 4626 try { 4627 ActivityManagerNative.getDefault().showBootMessage( 4628 mContext.getResources().getString(R.string.android_upgrading_apk, 4629 curr, total), true); 4630 } catch (RemoteException e) { 4631 } 4632 } 4633 PackageParser.Package p = pkg; 4634 synchronized (mInstallLock) { 4635 performDexOptLI(p, null /* instruction sets */, false /* force dex */, 4636 false /* defer */, true /* include dependencies */); 4637 } 4638 } 4639 4640 @Override 4641 public boolean performDexOptIfNeeded(String packageName, String instructionSet) { 4642 return performDexOpt(packageName, instructionSet, false); 4643 } 4644 4645 private static String getPrimaryInstructionSet(ApplicationInfo info) { 4646 if (info.primaryCpuAbi == null) { 4647 return getPreferredInstructionSet(); 4648 } 4649 4650 return VMRuntime.getInstructionSet(info.primaryCpuAbi); 4651 } 4652 4653 public boolean performDexOpt(String packageName, String instructionSet, boolean backgroundDexopt) { 4654 boolean dexopt = mLazyDexOpt || backgroundDexopt; 4655 boolean updateUsage = !backgroundDexopt; // Don't update usage if this is just a backgroundDexopt 4656 if (!dexopt && !updateUsage) { 4657 // We aren't going to dexopt or update usage, so bail early. 4658 return false; 4659 } 4660 PackageParser.Package p; 4661 final String targetInstructionSet; 4662 synchronized (mPackages) { 4663 p = mPackages.get(packageName); 4664 if (p == null) { 4665 return false; 4666 } 4667 if (updateUsage) { 4668 p.mLastPackageUsageTimeInMills = System.currentTimeMillis(); 4669 } 4670 mPackageUsage.write(false); 4671 if (!dexopt) { 4672 // We aren't going to dexopt, so bail early. 4673 return false; 4674 } 4675 4676 targetInstructionSet = instructionSet != null ? instructionSet : 4677 getPrimaryInstructionSet(p.applicationInfo); 4678 if (p.mDexOptPerformed.contains(targetInstructionSet)) { 4679 return false; 4680 } 4681 } 4682 4683 synchronized (mInstallLock) { 4684 final String[] instructionSets = new String[] { targetInstructionSet }; 4685 return performDexOptLI(p, instructionSets, false /* force dex */, false /* defer */, 4686 true /* include dependencies */) == DEX_OPT_PERFORMED; 4687 } 4688 } 4689 4690 public HashSet<String> getPackagesThatNeedDexOpt() { 4691 HashSet<String> pkgs = null; 4692 synchronized (mPackages) { 4693 for (PackageParser.Package p : mPackages.values()) { 4694 if (DEBUG_DEXOPT) { 4695 Log.i(TAG, p.packageName + " mDexOptPerformed=" + p.mDexOptPerformed.toArray()); 4696 } 4697 if (!p.mDexOptPerformed.isEmpty()) { 4698 continue; 4699 } 4700 if (pkgs == null) { 4701 pkgs = new HashSet<String>(); 4702 } 4703 pkgs.add(p.packageName); 4704 } 4705 } 4706 return pkgs; 4707 } 4708 4709 public void shutdown() { 4710 mPackageUsage.write(true); 4711 } 4712 4713 private void performDexOptLibsLI(ArrayList<String> libs, String[] instructionSets, 4714 boolean forceDex, boolean defer, HashSet<String> done) { 4715 for (int i=0; i<libs.size(); i++) { 4716 PackageParser.Package libPkg; 4717 String libName; 4718 synchronized (mPackages) { 4719 libName = libs.get(i); 4720 SharedLibraryEntry lib = mSharedLibraries.get(libName); 4721 if (lib != null && lib.apk != null) { 4722 libPkg = mPackages.get(lib.apk); 4723 } else { 4724 libPkg = null; 4725 } 4726 } 4727 if (libPkg != null && !done.contains(libName)) { 4728 performDexOptLI(libPkg, instructionSets, forceDex, defer, done); 4729 } 4730 } 4731 } 4732 4733 static final int DEX_OPT_SKIPPED = 0; 4734 static final int DEX_OPT_PERFORMED = 1; 4735 static final int DEX_OPT_DEFERRED = 2; 4736 static final int DEX_OPT_FAILED = -1; 4737 4738 private int performDexOptLI(PackageParser.Package pkg, String[] targetInstructionSets, 4739 boolean forceDex, boolean defer, HashSet<String> done) { 4740 final String[] instructionSets = targetInstructionSets != null ? 4741 targetInstructionSets : getAppDexInstructionSets(pkg.applicationInfo); 4742 4743 if (done != null) { 4744 done.add(pkg.packageName); 4745 if (pkg.usesLibraries != null) { 4746 performDexOptLibsLI(pkg.usesLibraries, instructionSets, forceDex, defer, done); 4747 } 4748 if (pkg.usesOptionalLibraries != null) { 4749 performDexOptLibsLI(pkg.usesOptionalLibraries, instructionSets, forceDex, defer, done); 4750 } 4751 } 4752 4753 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_HAS_CODE) == 0) { 4754 return DEX_OPT_SKIPPED; 4755 } 4756 4757 final boolean vmSafeMode = (pkg.applicationInfo.flags & ApplicationInfo.FLAG_VM_SAFE_MODE) != 0; 4758 4759 final List<String> paths = pkg.getAllCodePathsExcludingResourceOnly(); 4760 boolean performedDexOpt = false; 4761 // There are three basic cases here: 4762 // 1.) we need to dexopt, either because we are forced or it is needed 4763 // 2.) we are defering a needed dexopt 4764 // 3.) we are skipping an unneeded dexopt 4765 final String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 4766 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 4767 if (!forceDex && pkg.mDexOptPerformed.contains(dexCodeInstructionSet)) { 4768 continue; 4769 } 4770 4771 for (String path : paths) { 4772 try { 4773 // This will return DEXOPT_NEEDED if we either cannot find any odex file for this 4774 // patckage or the one we find does not match the image checksum (i.e. it was 4775 // compiled against an old image). It will return PATCHOAT_NEEDED if we can find a 4776 // odex file and it matches the checksum of the image but not its base address, 4777 // meaning we need to move it. 4778 final byte isDexOptNeeded = DexFile.isDexOptNeededInternal(path, 4779 pkg.packageName, dexCodeInstructionSet, defer); 4780 if (forceDex || (!defer && isDexOptNeeded == DexFile.DEXOPT_NEEDED)) { 4781 Log.i(TAG, "Running dexopt on: " + path + " pkg=" 4782 + pkg.applicationInfo.packageName + " isa=" + dexCodeInstructionSet 4783 + " vmSafeMode=" + vmSafeMode); 4784 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4785 final int ret = mInstaller.dexopt(path, sharedGid, !isForwardLocked(pkg), 4786 pkg.packageName, dexCodeInstructionSet, vmSafeMode); 4787 4788 if (ret < 0) { 4789 // Don't bother running dexopt again if we failed, it will probably 4790 // just result in an error again. Also, don't bother dexopting for other 4791 // paths & ISAs. 4792 return DEX_OPT_FAILED; 4793 } 4794 4795 performedDexOpt = true; 4796 } else if (!defer && isDexOptNeeded == DexFile.PATCHOAT_NEEDED) { 4797 Log.i(TAG, "Running patchoat on: " + pkg.applicationInfo.packageName); 4798 final int sharedGid = UserHandle.getSharedAppGid(pkg.applicationInfo.uid); 4799 final int ret = mInstaller.patchoat(path, sharedGid, !isForwardLocked(pkg), 4800 pkg.packageName, dexCodeInstructionSet); 4801 4802 if (ret < 0) { 4803 // Don't bother running patchoat again if we failed, it will probably 4804 // just result in an error again. Also, don't bother dexopting for other 4805 // paths & ISAs. 4806 return DEX_OPT_FAILED; 4807 } 4808 4809 performedDexOpt = true; 4810 } 4811 4812 // We're deciding to defer a needed dexopt. Don't bother dexopting for other 4813 // paths and instruction sets. We'll deal with them all together when we process 4814 // our list of deferred dexopts. 4815 if (defer && isDexOptNeeded != DexFile.UP_TO_DATE) { 4816 if (mDeferredDexOpt == null) { 4817 mDeferredDexOpt = new HashSet<PackageParser.Package>(); 4818 } 4819 mDeferredDexOpt.add(pkg); 4820 return DEX_OPT_DEFERRED; 4821 } 4822 } catch (FileNotFoundException e) { 4823 Slog.w(TAG, "Apk not found for dexopt: " + path); 4824 return DEX_OPT_FAILED; 4825 } catch (IOException e) { 4826 Slog.w(TAG, "IOException reading apk: " + path, e); 4827 return DEX_OPT_FAILED; 4828 } catch (StaleDexCacheError e) { 4829 Slog.w(TAG, "StaleDexCacheError when reading apk: " + path, e); 4830 return DEX_OPT_FAILED; 4831 } catch (Exception e) { 4832 Slog.w(TAG, "Exception when doing dexopt : ", e); 4833 return DEX_OPT_FAILED; 4834 } 4835 } 4836 4837 // At this point we haven't failed dexopt and we haven't deferred dexopt. We must 4838 // either have either succeeded dexopt, or have had isDexOptNeededInternal tell us 4839 // it isn't required. We therefore mark that this package doesn't need dexopt unless 4840 // it's forced. performedDexOpt will tell us whether we performed dex-opt or skipped 4841 // it. 4842 pkg.mDexOptPerformed.add(dexCodeInstructionSet); 4843 } 4844 4845 // If we've gotten here, we're sure that no error occurred and that we haven't 4846 // deferred dex-opt. We've either dex-opted one more paths or instruction sets or 4847 // we've skipped all of them because they are up to date. In both cases this 4848 // package doesn't need dexopt any longer. 4849 return performedDexOpt ? DEX_OPT_PERFORMED : DEX_OPT_SKIPPED; 4850 } 4851 4852 private static String[] getAppDexInstructionSets(ApplicationInfo info) { 4853 if (info.primaryCpuAbi != null) { 4854 if (info.secondaryCpuAbi != null) { 4855 return new String[] { 4856 VMRuntime.getInstructionSet(info.primaryCpuAbi), 4857 VMRuntime.getInstructionSet(info.secondaryCpuAbi) }; 4858 } else { 4859 return new String[] { 4860 VMRuntime.getInstructionSet(info.primaryCpuAbi) }; 4861 } 4862 } 4863 4864 return new String[] { getPreferredInstructionSet() }; 4865 } 4866 4867 private static String[] getAppDexInstructionSets(PackageSetting ps) { 4868 if (ps.primaryCpuAbiString != null) { 4869 if (ps.secondaryCpuAbiString != null) { 4870 return new String[] { 4871 VMRuntime.getInstructionSet(ps.primaryCpuAbiString), 4872 VMRuntime.getInstructionSet(ps.secondaryCpuAbiString) }; 4873 } else { 4874 return new String[] { 4875 VMRuntime.getInstructionSet(ps.primaryCpuAbiString) }; 4876 } 4877 } 4878 4879 return new String[] { getPreferredInstructionSet() }; 4880 } 4881 4882 private static String getPreferredInstructionSet() { 4883 if (sPreferredInstructionSet == null) { 4884 sPreferredInstructionSet = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]); 4885 } 4886 4887 return sPreferredInstructionSet; 4888 } 4889 4890 private static List<String> getAllInstructionSets() { 4891 final String[] allAbis = Build.SUPPORTED_ABIS; 4892 final List<String> allInstructionSets = new ArrayList<String>(allAbis.length); 4893 4894 for (String abi : allAbis) { 4895 final String instructionSet = VMRuntime.getInstructionSet(abi); 4896 if (!allInstructionSets.contains(instructionSet)) { 4897 allInstructionSets.add(instructionSet); 4898 } 4899 } 4900 4901 return allInstructionSets; 4902 } 4903 4904 /** 4905 * Returns the instruction set that should be used to compile dex code. In the presence of 4906 * a native bridge this might be different than the one shared libraries use. 4907 */ 4908 private static String getDexCodeInstructionSet(String sharedLibraryIsa) { 4909 String dexCodeIsa = SystemProperties.get("ro.dalvik.vm.isa." + sharedLibraryIsa); 4910 return (dexCodeIsa.isEmpty() ? sharedLibraryIsa : dexCodeIsa); 4911 } 4912 4913 private static String[] getDexCodeInstructionSets(String[] instructionSets) { 4914 HashSet<String> dexCodeInstructionSets = new HashSet<String>(instructionSets.length); 4915 for (String instructionSet : instructionSets) { 4916 dexCodeInstructionSets.add(getDexCodeInstructionSet(instructionSet)); 4917 } 4918 return dexCodeInstructionSets.toArray(new String[dexCodeInstructionSets.size()]); 4919 } 4920 4921 /** 4922 * Returns deduplicated list of supported instructions for dex code. 4923 */ 4924 public static String[] getAllDexCodeInstructionSets() { 4925 String[] supportedInstructionSets = new String[Build.SUPPORTED_ABIS.length]; 4926 for (int i = 0; i < supportedInstructionSets.length; i++) { 4927 String abi = Build.SUPPORTED_ABIS[i]; 4928 supportedInstructionSets[i] = VMRuntime.getInstructionSet(abi); 4929 } 4930 return getDexCodeInstructionSets(supportedInstructionSets); 4931 } 4932 4933 @Override 4934 public void forceDexOpt(String packageName) { 4935 enforceSystemOrRoot("forceDexOpt"); 4936 4937 PackageParser.Package pkg; 4938 synchronized (mPackages) { 4939 pkg = mPackages.get(packageName); 4940 if (pkg == null) { 4941 throw new IllegalArgumentException("Missing package: " + packageName); 4942 } 4943 } 4944 4945 synchronized (mInstallLock) { 4946 final String[] instructionSets = new String[] { 4947 getPrimaryInstructionSet(pkg.applicationInfo) }; 4948 final int res = performDexOptLI(pkg, instructionSets, true, false, true); 4949 if (res != DEX_OPT_PERFORMED) { 4950 throw new IllegalStateException("Failed to dexopt: " + res); 4951 } 4952 } 4953 } 4954 4955 private int performDexOptLI(PackageParser.Package pkg, String[] instructionSets, 4956 boolean forceDex, boolean defer, boolean inclDependencies) { 4957 HashSet<String> done; 4958 if (inclDependencies && (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null)) { 4959 done = new HashSet<String>(); 4960 done.add(pkg.packageName); 4961 } else { 4962 done = null; 4963 } 4964 return performDexOptLI(pkg, instructionSets, forceDex, defer, done); 4965 } 4966 4967 private boolean verifyPackageUpdateLPr(PackageSetting oldPkg, PackageParser.Package newPkg) { 4968 if ((oldPkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) { 4969 Slog.w(TAG, "Unable to update from " + oldPkg.name 4970 + " to " + newPkg.packageName 4971 + ": old package not in system partition"); 4972 return false; 4973 } else if (mPackages.get(oldPkg.name) != null) { 4974 Slog.w(TAG, "Unable to update from " + oldPkg.name 4975 + " to " + newPkg.packageName 4976 + ": old package still exists"); 4977 return false; 4978 } 4979 return true; 4980 } 4981 4982 File getDataPathForUser(int userId) { 4983 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId); 4984 } 4985 4986 private File getDataPathForPackage(String packageName, int userId) { 4987 /* 4988 * Until we fully support multiple users, return the directory we 4989 * previously would have. The PackageManagerTests will need to be 4990 * revised when this is changed back.. 4991 */ 4992 if (userId == 0) { 4993 return new File(mAppDataDir, packageName); 4994 } else { 4995 return new File(mUserAppDataDir.getAbsolutePath() + File.separator + userId 4996 + File.separator + packageName); 4997 } 4998 } 4999 5000 private int createDataDirsLI(String packageName, int uid, String seinfo) { 5001 int[] users = sUserManager.getUserIds(); 5002 int res = mInstaller.install(packageName, uid, uid, seinfo); 5003 if (res < 0) { 5004 return res; 5005 } 5006 for (int user : users) { 5007 if (user != 0) { 5008 res = mInstaller.createUserData(packageName, 5009 UserHandle.getUid(user, uid), user, seinfo); 5010 if (res < 0) { 5011 return res; 5012 } 5013 } 5014 } 5015 return res; 5016 } 5017 5018 private int removeDataDirsLI(String packageName) { 5019 int[] users = sUserManager.getUserIds(); 5020 int res = 0; 5021 for (int user : users) { 5022 int resInner = mInstaller.remove(packageName, user); 5023 if (resInner < 0) { 5024 res = resInner; 5025 } 5026 } 5027 5028 return res; 5029 } 5030 5031 private int deleteCodeCacheDirsLI(String packageName) { 5032 int[] users = sUserManager.getUserIds(); 5033 int res = 0; 5034 for (int user : users) { 5035 int resInner = mInstaller.deleteCodeCacheFiles(packageName, user); 5036 if (resInner < 0) { 5037 res = resInner; 5038 } 5039 } 5040 return res; 5041 } 5042 5043 private void addSharedLibraryLPw(ArraySet<String> usesLibraryFiles, SharedLibraryEntry file, 5044 PackageParser.Package changingLib) { 5045 if (file.path != null) { 5046 usesLibraryFiles.add(file.path); 5047 return; 5048 } 5049 PackageParser.Package p = mPackages.get(file.apk); 5050 if (changingLib != null && changingLib.packageName.equals(file.apk)) { 5051 // If we are doing this while in the middle of updating a library apk, 5052 // then we need to make sure to use that new apk for determining the 5053 // dependencies here. (We haven't yet finished committing the new apk 5054 // to the package manager state.) 5055 if (p == null || p.packageName.equals(changingLib.packageName)) { 5056 p = changingLib; 5057 } 5058 } 5059 if (p != null) { 5060 usesLibraryFiles.addAll(p.getAllCodePaths()); 5061 } 5062 } 5063 5064 private void updateSharedLibrariesLPw(PackageParser.Package pkg, 5065 PackageParser.Package changingLib) throws PackageManagerException { 5066 if (pkg.usesLibraries != null || pkg.usesOptionalLibraries != null) { 5067 final ArraySet<String> usesLibraryFiles = new ArraySet<>(); 5068 int N = pkg.usesLibraries != null ? pkg.usesLibraries.size() : 0; 5069 for (int i=0; i<N; i++) { 5070 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesLibraries.get(i)); 5071 if (file == null) { 5072 throw new PackageManagerException(INSTALL_FAILED_MISSING_SHARED_LIBRARY, 5073 "Package " + pkg.packageName + " requires unavailable shared library " 5074 + pkg.usesLibraries.get(i) + "; failing!"); 5075 } 5076 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5077 } 5078 N = pkg.usesOptionalLibraries != null ? pkg.usesOptionalLibraries.size() : 0; 5079 for (int i=0; i<N; i++) { 5080 final SharedLibraryEntry file = mSharedLibraries.get(pkg.usesOptionalLibraries.get(i)); 5081 if (file == null) { 5082 Slog.w(TAG, "Package " + pkg.packageName 5083 + " desires unavailable shared library " 5084 + pkg.usesOptionalLibraries.get(i) + "; ignoring!"); 5085 } else { 5086 addSharedLibraryLPw(usesLibraryFiles, file, changingLib); 5087 } 5088 } 5089 N = usesLibraryFiles.size(); 5090 if (N > 0) { 5091 pkg.usesLibraryFiles = usesLibraryFiles.toArray(new String[N]); 5092 } else { 5093 pkg.usesLibraryFiles = null; 5094 } 5095 } 5096 } 5097 5098 private static boolean hasString(List<String> list, List<String> which) { 5099 if (list == null) { 5100 return false; 5101 } 5102 for (int i=list.size()-1; i>=0; i--) { 5103 for (int j=which.size()-1; j>=0; j--) { 5104 if (which.get(j).equals(list.get(i))) { 5105 return true; 5106 } 5107 } 5108 } 5109 return false; 5110 } 5111 5112 private void updateAllSharedLibrariesLPw() { 5113 for (PackageParser.Package pkg : mPackages.values()) { 5114 try { 5115 updateSharedLibrariesLPw(pkg, null); 5116 } catch (PackageManagerException e) { 5117 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5118 } 5119 } 5120 } 5121 5122 private ArrayList<PackageParser.Package> updateAllSharedLibrariesLPw( 5123 PackageParser.Package changingPkg) { 5124 ArrayList<PackageParser.Package> res = null; 5125 for (PackageParser.Package pkg : mPackages.values()) { 5126 if (hasString(pkg.usesLibraries, changingPkg.libraryNames) 5127 || hasString(pkg.usesOptionalLibraries, changingPkg.libraryNames)) { 5128 if (res == null) { 5129 res = new ArrayList<PackageParser.Package>(); 5130 } 5131 res.add(pkg); 5132 try { 5133 updateSharedLibrariesLPw(pkg, changingPkg); 5134 } catch (PackageManagerException e) { 5135 Slog.e(TAG, "updateAllSharedLibrariesLPw failed: " + e.getMessage()); 5136 } 5137 } 5138 } 5139 return res; 5140 } 5141 5142 /** 5143 * Derive the value of the {@code cpuAbiOverride} based on the provided 5144 * value and an optional stored value from the package settings. 5145 */ 5146 private static String deriveAbiOverride(String abiOverride, PackageSetting settings) { 5147 String cpuAbiOverride = null; 5148 5149 if (NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(abiOverride)) { 5150 cpuAbiOverride = null; 5151 } else if (abiOverride != null) { 5152 cpuAbiOverride = abiOverride; 5153 } else if (settings != null) { 5154 cpuAbiOverride = settings.cpuAbiOverrideString; 5155 } 5156 5157 return cpuAbiOverride; 5158 } 5159 5160 private PackageParser.Package scanPackageLI(PackageParser.Package pkg, int parseFlags, 5161 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5162 boolean success = false; 5163 try { 5164 final PackageParser.Package res = scanPackageDirtyLI(pkg, parseFlags, scanFlags, 5165 currentTime, user); 5166 success = true; 5167 return res; 5168 } finally { 5169 if (!success && (scanFlags & SCAN_DELETE_DATA_ON_FAILURES) != 0) { 5170 removeDataDirsLI(pkg.packageName); 5171 } 5172 } 5173 } 5174 5175 private PackageParser.Package scanPackageDirtyLI(PackageParser.Package pkg, int parseFlags, 5176 int scanFlags, long currentTime, UserHandle user) throws PackageManagerException { 5177 final File scanFile = new File(pkg.codePath); 5178 if (pkg.applicationInfo.getCodePath() == null || 5179 pkg.applicationInfo.getResourcePath() == null) { 5180 // Bail out. The resource and code paths haven't been set. 5181 throw new PackageManagerException(INSTALL_FAILED_INVALID_APK, 5182 "Code and resource paths haven't been set correctly"); 5183 } 5184 5185 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0) { 5186 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SYSTEM; 5187 } else { 5188 // Only allow system apps to be flagged as core apps. 5189 pkg.coreApp = false; 5190 } 5191 5192 if ((parseFlags&PackageParser.PARSE_IS_PRIVILEGED) != 0) { 5193 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_PRIVILEGED; 5194 } 5195 5196 if (mCustomResolverComponentName != null && 5197 mCustomResolverComponentName.getPackageName().equals(pkg.packageName)) { 5198 setUpCustomResolverActivity(pkg); 5199 } 5200 5201 if (pkg.packageName.equals("android")) { 5202 synchronized (mPackages) { 5203 if (mAndroidApplication != null) { 5204 Slog.w(TAG, "*************************************************"); 5205 Slog.w(TAG, "Core android package being redefined. Skipping."); 5206 Slog.w(TAG, " file=" + scanFile); 5207 Slog.w(TAG, "*************************************************"); 5208 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5209 "Core android package being redefined. Skipping."); 5210 } 5211 5212 // Set up information for our fall-back user intent resolution activity. 5213 mPlatformPackage = pkg; 5214 pkg.mVersionCode = mSdkVersion; 5215 mAndroidApplication = pkg.applicationInfo; 5216 5217 if (!mResolverReplaced) { 5218 mResolveActivity.applicationInfo = mAndroidApplication; 5219 mResolveActivity.name = ResolverActivity.class.getName(); 5220 mResolveActivity.packageName = mAndroidApplication.packageName; 5221 mResolveActivity.processName = "system:ui"; 5222 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 5223 mResolveActivity.documentLaunchMode = ActivityInfo.DOCUMENT_LAUNCH_NEVER; 5224 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS; 5225 mResolveActivity.theme = R.style.Theme_Holo_Dialog_Alert; 5226 mResolveActivity.exported = true; 5227 mResolveActivity.enabled = true; 5228 mResolveInfo.activityInfo = mResolveActivity; 5229 mResolveInfo.priority = 0; 5230 mResolveInfo.preferredOrder = 0; 5231 mResolveInfo.match = 0; 5232 mResolveComponentName = new ComponentName( 5233 mAndroidApplication.packageName, mResolveActivity.name); 5234 } 5235 } 5236 } 5237 5238 if (DEBUG_PACKAGE_SCANNING) { 5239 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5240 Log.d(TAG, "Scanning package " + pkg.packageName); 5241 } 5242 5243 if (mPackages.containsKey(pkg.packageName) 5244 || mSharedLibraries.containsKey(pkg.packageName)) { 5245 throw new PackageManagerException(INSTALL_FAILED_DUPLICATE_PACKAGE, 5246 "Application package " + pkg.packageName 5247 + " already installed. Skipping duplicate."); 5248 } 5249 5250 // Initialize package source and resource directories 5251 File destCodeFile = new File(pkg.applicationInfo.getCodePath()); 5252 File destResourceFile = new File(pkg.applicationInfo.getResourcePath()); 5253 5254 SharedUserSetting suid = null; 5255 PackageSetting pkgSetting = null; 5256 5257 if (!isSystemApp(pkg)) { 5258 // Only system apps can use these features. 5259 pkg.mOriginalPackages = null; 5260 pkg.mRealPackage = null; 5261 pkg.mAdoptPermissions = null; 5262 } 5263 5264 // writer 5265 synchronized (mPackages) { 5266 if (pkg.mSharedUserId != null) { 5267 suid = mSettings.getSharedUserLPw(pkg.mSharedUserId, 0, true); 5268 if (suid == null) { 5269 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5270 "Creating application package " + pkg.packageName 5271 + " for shared user failed"); 5272 } 5273 if (DEBUG_PACKAGE_SCANNING) { 5274 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5275 Log.d(TAG, "Shared UserID " + pkg.mSharedUserId + " (uid=" + suid.userId 5276 + "): packages=" + suid.packages); 5277 } 5278 } 5279 5280 // Check if we are renaming from an original package name. 5281 PackageSetting origPackage = null; 5282 String realName = null; 5283 if (pkg.mOriginalPackages != null) { 5284 // This package may need to be renamed to a previously 5285 // installed name. Let's check on that... 5286 final String renamed = mSettings.mRenamedPackages.get(pkg.mRealPackage); 5287 if (pkg.mOriginalPackages.contains(renamed)) { 5288 // This package had originally been installed as the 5289 // original name, and we have already taken care of 5290 // transitioning to the new one. Just update the new 5291 // one to continue using the old name. 5292 realName = pkg.mRealPackage; 5293 if (!pkg.packageName.equals(renamed)) { 5294 // Callers into this function may have already taken 5295 // care of renaming the package; only do it here if 5296 // it is not already done. 5297 pkg.setPackageName(renamed); 5298 } 5299 5300 } else { 5301 for (int i=pkg.mOriginalPackages.size()-1; i>=0; i--) { 5302 if ((origPackage = mSettings.peekPackageLPr( 5303 pkg.mOriginalPackages.get(i))) != null) { 5304 // We do have the package already installed under its 5305 // original name... should we use it? 5306 if (!verifyPackageUpdateLPr(origPackage, pkg)) { 5307 // New package is not compatible with original. 5308 origPackage = null; 5309 continue; 5310 } else if (origPackage.sharedUser != null) { 5311 // Make sure uid is compatible between packages. 5312 if (!origPackage.sharedUser.name.equals(pkg.mSharedUserId)) { 5313 Slog.w(TAG, "Unable to migrate data from " + origPackage.name 5314 + " to " + pkg.packageName + ": old uid " 5315 + origPackage.sharedUser.name 5316 + " differs from " + pkg.mSharedUserId); 5317 origPackage = null; 5318 continue; 5319 } 5320 } else { 5321 if (DEBUG_UPGRADE) Log.v(TAG, "Renaming new package " 5322 + pkg.packageName + " to old name " + origPackage.name); 5323 } 5324 break; 5325 } 5326 } 5327 } 5328 } 5329 5330 if (mTransferedPackages.contains(pkg.packageName)) { 5331 Slog.w(TAG, "Package " + pkg.packageName 5332 + " was transferred to another, but its .apk remains"); 5333 } 5334 5335 // Just create the setting, don't add it yet. For already existing packages 5336 // the PkgSetting exists already and doesn't have to be created. 5337 pkgSetting = mSettings.getPackageLPw(pkg, origPackage, realName, suid, destCodeFile, 5338 destResourceFile, pkg.applicationInfo.nativeLibraryRootDir, 5339 pkg.applicationInfo.primaryCpuAbi, 5340 pkg.applicationInfo.secondaryCpuAbi, 5341 pkg.applicationInfo.flags, user, false); 5342 if (pkgSetting == null) { 5343 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5344 "Creating application package " + pkg.packageName + " failed"); 5345 } 5346 5347 if (pkgSetting.origPackage != null) { 5348 // If we are first transitioning from an original package, 5349 // fix up the new package's name now. We need to do this after 5350 // looking up the package under its new name, so getPackageLP 5351 // can take care of fiddling things correctly. 5352 pkg.setPackageName(origPackage.name); 5353 5354 // File a report about this. 5355 String msg = "New package " + pkgSetting.realName 5356 + " renamed to replace old package " + pkgSetting.name; 5357 reportSettingsProblem(Log.WARN, msg); 5358 5359 // Make a note of it. 5360 mTransferedPackages.add(origPackage.name); 5361 5362 // No longer need to retain this. 5363 pkgSetting.origPackage = null; 5364 } 5365 5366 if (realName != null) { 5367 // Make a note of it. 5368 mTransferedPackages.add(pkg.packageName); 5369 } 5370 5371 if (mSettings.isDisabledSystemPackageLPr(pkg.packageName)) { 5372 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 5373 } 5374 5375 if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5376 // Check all shared libraries and map to their actual file path. 5377 // We only do this here for apps not on a system dir, because those 5378 // are the only ones that can fail an install due to this. We 5379 // will take care of the system apps by updating all of their 5380 // library paths after the scan is done. 5381 updateSharedLibrariesLPw(pkg, null); 5382 } 5383 5384 if (mFoundPolicyFile) { 5385 SELinuxMMAC.assignSeinfoValue(pkg); 5386 } 5387 5388 pkg.applicationInfo.uid = pkgSetting.appId; 5389 pkg.mExtras = pkgSetting; 5390 if (!pkgSetting.keySetData.isUsingUpgradeKeySets() || pkgSetting.sharedUser != null) { 5391 try { 5392 verifySignaturesLP(pkgSetting, pkg); 5393 } catch (PackageManagerException e) { 5394 if ((parseFlags & PackageParser.PARSE_IS_SYSTEM_DIR) == 0) { 5395 throw e; 5396 } 5397 // The signature has changed, but this package is in the system 5398 // image... let's recover! 5399 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5400 // However... if this package is part of a shared user, but it 5401 // doesn't match the signature of the shared user, let's fail. 5402 // What this means is that you can't change the signatures 5403 // associated with an overall shared user, which doesn't seem all 5404 // that unreasonable. 5405 if (pkgSetting.sharedUser != null) { 5406 if (compareSignatures(pkgSetting.sharedUser.signatures.mSignatures, 5407 pkg.mSignatures) != PackageManager.SIGNATURE_MATCH) { 5408 throw new PackageManagerException( 5409 INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 5410 "Signature mismatch for shared user : " 5411 + pkgSetting.sharedUser); 5412 } 5413 } 5414 // File a report about this. 5415 String msg = "System package " + pkg.packageName 5416 + " signature changed; retaining data."; 5417 reportSettingsProblem(Log.WARN, msg); 5418 } 5419 } else { 5420 if (!checkUpgradeKeySetLP(pkgSetting, pkg)) { 5421 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, "Package " 5422 + pkg.packageName + " upgrade keys do not match the " 5423 + "previously installed version"); 5424 } else { 5425 // signatures may have changed as result of upgrade 5426 pkgSetting.signatures.mSignatures = pkg.mSignatures; 5427 } 5428 } 5429 // Verify that this new package doesn't have any content providers 5430 // that conflict with existing packages. Only do this if the 5431 // package isn't already installed, since we don't want to break 5432 // things that are installed. 5433 if ((scanFlags & SCAN_NEW_INSTALL) != 0) { 5434 final int N = pkg.providers.size(); 5435 int i; 5436 for (i=0; i<N; i++) { 5437 PackageParser.Provider p = pkg.providers.get(i); 5438 if (p.info.authority != null) { 5439 String names[] = p.info.authority.split(";"); 5440 for (int j = 0; j < names.length; j++) { 5441 if (mProvidersByAuthority.containsKey(names[j])) { 5442 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 5443 final String otherPackageName = 5444 ((other != null && other.getComponentName() != null) ? 5445 other.getComponentName().getPackageName() : "?"); 5446 throw new PackageManagerException( 5447 INSTALL_FAILED_CONFLICTING_PROVIDER, 5448 "Can't install because provider name " + names[j] 5449 + " (in package " + pkg.applicationInfo.packageName 5450 + ") is already used by " + otherPackageName); 5451 } 5452 } 5453 } 5454 } 5455 } 5456 5457 if (pkg.mAdoptPermissions != null) { 5458 // This package wants to adopt ownership of permissions from 5459 // another package. 5460 for (int i = pkg.mAdoptPermissions.size() - 1; i >= 0; i--) { 5461 final String origName = pkg.mAdoptPermissions.get(i); 5462 final PackageSetting orig = mSettings.peekPackageLPr(origName); 5463 if (orig != null) { 5464 if (verifyPackageUpdateLPr(orig, pkg)) { 5465 Slog.i(TAG, "Adopting permissions from " + origName + " to " 5466 + pkg.packageName); 5467 mSettings.transferPermissionsLPw(origName, pkg.packageName); 5468 } 5469 } 5470 } 5471 } 5472 } 5473 5474 final String pkgName = pkg.packageName; 5475 5476 final long scanFileTime = scanFile.lastModified(); 5477 final boolean forceDex = (scanFlags & SCAN_FORCE_DEX) != 0; 5478 pkg.applicationInfo.processName = fixProcessName( 5479 pkg.applicationInfo.packageName, 5480 pkg.applicationInfo.processName, 5481 pkg.applicationInfo.uid); 5482 5483 File dataPath; 5484 if (mPlatformPackage == pkg) { 5485 // The system package is special. 5486 dataPath = new File(Environment.getDataDirectory(), "system"); 5487 5488 pkg.applicationInfo.dataDir = dataPath.getPath(); 5489 5490 } else { 5491 // This is a normal package, need to make its data directory. 5492 dataPath = getDataPathForPackage(pkg.packageName, 0); 5493 5494 boolean uidError = false; 5495 if (dataPath.exists()) { 5496 int currentUid = 0; 5497 try { 5498 StructStat stat = Os.stat(dataPath.getPath()); 5499 currentUid = stat.st_uid; 5500 } catch (ErrnoException e) { 5501 Slog.e(TAG, "Couldn't stat path " + dataPath.getPath(), e); 5502 } 5503 5504 // If we have mismatched owners for the data path, we have a problem. 5505 if (currentUid != pkg.applicationInfo.uid) { 5506 boolean recovered = false; 5507 if (currentUid == 0) { 5508 // The directory somehow became owned by root. Wow. 5509 // This is probably because the system was stopped while 5510 // installd was in the middle of messing with its libs 5511 // directory. Ask installd to fix that. 5512 int ret = mInstaller.fixUid(pkgName, pkg.applicationInfo.uid, 5513 pkg.applicationInfo.uid); 5514 if (ret >= 0) { 5515 recovered = true; 5516 String msg = "Package " + pkg.packageName 5517 + " unexpectedly changed to uid 0; recovered to " + 5518 + pkg.applicationInfo.uid; 5519 reportSettingsProblem(Log.WARN, msg); 5520 } 5521 } 5522 if (!recovered && ((parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5523 || (scanFlags&SCAN_BOOTING) != 0)) { 5524 // If this is a system app, we can at least delete its 5525 // current data so the application will still work. 5526 int ret = removeDataDirsLI(pkgName); 5527 if (ret >= 0) { 5528 // TODO: Kill the processes first 5529 // Old data gone! 5530 String prefix = (parseFlags&PackageParser.PARSE_IS_SYSTEM) != 0 5531 ? "System package " : "Third party package "; 5532 String msg = prefix + pkg.packageName 5533 + " has changed from uid: " 5534 + currentUid + " to " 5535 + pkg.applicationInfo.uid + "; old data erased"; 5536 reportSettingsProblem(Log.WARN, msg); 5537 recovered = true; 5538 5539 // And now re-install the app. 5540 ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5541 pkg.applicationInfo.seinfo); 5542 if (ret == -1) { 5543 // Ack should not happen! 5544 msg = prefix + pkg.packageName 5545 + " could not have data directory re-created after delete."; 5546 reportSettingsProblem(Log.WARN, msg); 5547 throw new PackageManagerException( 5548 INSTALL_FAILED_INSUFFICIENT_STORAGE, msg); 5549 } 5550 } 5551 if (!recovered) { 5552 mHasSystemUidErrors = true; 5553 } 5554 } else if (!recovered) { 5555 // If we allow this install to proceed, we will be broken. 5556 // Abort, abort! 5557 throw new PackageManagerException(INSTALL_FAILED_UID_CHANGED, 5558 "scanPackageLI"); 5559 } 5560 if (!recovered) { 5561 pkg.applicationInfo.dataDir = "/mismatched_uid/settings_" 5562 + pkg.applicationInfo.uid + "/fs_" 5563 + currentUid; 5564 pkg.applicationInfo.nativeLibraryDir = pkg.applicationInfo.dataDir; 5565 pkg.applicationInfo.nativeLibraryRootDir = pkg.applicationInfo.dataDir; 5566 String msg = "Package " + pkg.packageName 5567 + " has mismatched uid: " 5568 + currentUid + " on disk, " 5569 + pkg.applicationInfo.uid + " in settings"; 5570 // writer 5571 synchronized (mPackages) { 5572 mSettings.mReadMessages.append(msg); 5573 mSettings.mReadMessages.append('\n'); 5574 uidError = true; 5575 if (!pkgSetting.uidError) { 5576 reportSettingsProblem(Log.ERROR, msg); 5577 } 5578 } 5579 } 5580 } 5581 pkg.applicationInfo.dataDir = dataPath.getPath(); 5582 if (mShouldRestoreconData) { 5583 Slog.i(TAG, "SELinux relabeling of " + pkg.packageName + " issued."); 5584 mInstaller.restoreconData(pkg.packageName, pkg.applicationInfo.seinfo, 5585 pkg.applicationInfo.uid); 5586 } 5587 } else { 5588 if (DEBUG_PACKAGE_SCANNING) { 5589 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 5590 Log.v(TAG, "Want this data dir: " + dataPath); 5591 } 5592 //invoke installer to do the actual installation 5593 int ret = createDataDirsLI(pkgName, pkg.applicationInfo.uid, 5594 pkg.applicationInfo.seinfo); 5595 if (ret < 0) { 5596 // Error from installer 5597 throw new PackageManagerException(INSTALL_FAILED_INSUFFICIENT_STORAGE, 5598 "Unable to create data dirs [errorCode=" + ret + "]"); 5599 } 5600 5601 if (dataPath.exists()) { 5602 pkg.applicationInfo.dataDir = dataPath.getPath(); 5603 } else { 5604 Slog.w(TAG, "Unable to create data directory: " + dataPath); 5605 pkg.applicationInfo.dataDir = null; 5606 } 5607 } 5608 5609 pkgSetting.uidError = uidError; 5610 } 5611 5612 final String path = scanFile.getPath(); 5613 final String codePath = pkg.applicationInfo.getCodePath(); 5614 final String cpuAbiOverride = deriveAbiOverride(pkg.cpuAbiOverride, pkgSetting); 5615 if (isSystemApp(pkg) && !isUpdatedSystemApp(pkg)) { 5616 setBundledAppAbisAndRoots(pkg, pkgSetting); 5617 5618 // If we haven't found any native libraries for the app, check if it has 5619 // renderscript code. We'll need to force the app to 32 bit if it has 5620 // renderscript bitcode. 5621 if (pkg.applicationInfo.primaryCpuAbi == null 5622 && pkg.applicationInfo.secondaryCpuAbi == null 5623 && Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5624 NativeLibraryHelper.Handle handle = null; 5625 try { 5626 handle = NativeLibraryHelper.Handle.create(scanFile); 5627 if (NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5628 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 5629 } 5630 } catch (IOException ioe) { 5631 Slog.w(TAG, "Error scanning system app : " + ioe); 5632 } finally { 5633 IoUtils.closeQuietly(handle); 5634 } 5635 } 5636 5637 setNativeLibraryPaths(pkg); 5638 } else { 5639 // TODO: We can probably be smarter about this stuff. For installed apps, 5640 // we can calculate this information at install time once and for all. For 5641 // system apps, we can probably assume that this information doesn't change 5642 // after the first boot scan. As things stand, we do lots of unnecessary work. 5643 5644 // Give ourselves some initial paths; we'll come back for another 5645 // pass once we've determined ABI below. 5646 setNativeLibraryPaths(pkg); 5647 5648 final boolean isAsec = isForwardLocked(pkg) || isExternal(pkg); 5649 final String nativeLibraryRootStr = pkg.applicationInfo.nativeLibraryRootDir; 5650 final boolean useIsaSpecificSubdirs = pkg.applicationInfo.nativeLibraryRootRequiresIsa; 5651 5652 NativeLibraryHelper.Handle handle = null; 5653 try { 5654 handle = NativeLibraryHelper.Handle.create(scanFile); 5655 // TODO(multiArch): This can be null for apps that didn't go through the 5656 // usual installation process. We can calculate it again, like we 5657 // do during install time. 5658 // 5659 // TODO(multiArch): Why do we need to rescan ASEC apps again ? It seems totally 5660 // unnecessary. 5661 final File nativeLibraryRoot = new File(nativeLibraryRootStr); 5662 5663 // Null out the abis so that they can be recalculated. 5664 pkg.applicationInfo.primaryCpuAbi = null; 5665 pkg.applicationInfo.secondaryCpuAbi = null; 5666 if (isMultiArch(pkg.applicationInfo)) { 5667 // Warn if we've set an abiOverride for multi-lib packages.. 5668 // By definition, we need to copy both 32 and 64 bit libraries for 5669 // such packages. 5670 if (pkg.cpuAbiOverride != null 5671 && !NativeLibraryHelper.CLEAR_ABI_OVERRIDE.equals(pkg.cpuAbiOverride)) { 5672 Slog.w(TAG, "Ignoring abiOverride for multi arch application."); 5673 } 5674 5675 int abi32 = PackageManager.NO_NATIVE_LIBRARIES; 5676 int abi64 = PackageManager.NO_NATIVE_LIBRARIES; 5677 if (Build.SUPPORTED_32_BIT_ABIS.length > 0) { 5678 if (isAsec) { 5679 abi32 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_32_BIT_ABIS); 5680 } else { 5681 abi32 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5682 nativeLibraryRoot, Build.SUPPORTED_32_BIT_ABIS, 5683 useIsaSpecificSubdirs); 5684 } 5685 } 5686 5687 maybeThrowExceptionForMultiArchCopy( 5688 "Error unpackaging 32 bit native libs for multiarch app.", abi32); 5689 5690 if (Build.SUPPORTED_64_BIT_ABIS.length > 0) { 5691 if (isAsec) { 5692 abi64 = NativeLibraryHelper.findSupportedAbi(handle, Build.SUPPORTED_64_BIT_ABIS); 5693 } else { 5694 abi64 = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5695 nativeLibraryRoot, Build.SUPPORTED_64_BIT_ABIS, 5696 useIsaSpecificSubdirs); 5697 } 5698 } 5699 5700 maybeThrowExceptionForMultiArchCopy( 5701 "Error unpackaging 64 bit native libs for multiarch app.", abi64); 5702 5703 if (abi64 >= 0) { 5704 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[abi64]; 5705 } 5706 5707 if (abi32 >= 0) { 5708 final String abi = Build.SUPPORTED_32_BIT_ABIS[abi32]; 5709 if (abi64 >= 0) { 5710 pkg.applicationInfo.secondaryCpuAbi = abi; 5711 } else { 5712 pkg.applicationInfo.primaryCpuAbi = abi; 5713 } 5714 } 5715 } else { 5716 String[] abiList = (cpuAbiOverride != null) ? 5717 new String[] { cpuAbiOverride } : Build.SUPPORTED_ABIS; 5718 5719 // Enable gross and lame hacks for apps that are built with old 5720 // SDK tools. We must scan their APKs for renderscript bitcode and 5721 // not launch them if it's present. Don't bother checking on devices 5722 // that don't have 64 bit support. 5723 boolean needsRenderScriptOverride = false; 5724 if (Build.SUPPORTED_64_BIT_ABIS.length > 0 && cpuAbiOverride == null && 5725 NativeLibraryHelper.hasRenderscriptBitcode(handle)) { 5726 abiList = Build.SUPPORTED_32_BIT_ABIS; 5727 needsRenderScriptOverride = true; 5728 } 5729 5730 final int copyRet; 5731 if (isAsec) { 5732 copyRet = NativeLibraryHelper.findSupportedAbi(handle, abiList); 5733 } else { 5734 copyRet = NativeLibraryHelper.copyNativeBinariesForSupportedAbi(handle, 5735 nativeLibraryRoot, abiList, useIsaSpecificSubdirs); 5736 } 5737 5738 if (copyRet < 0 && copyRet != PackageManager.NO_NATIVE_LIBRARIES) { 5739 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5740 "Error unpackaging native libs for app, errorCode=" + copyRet); 5741 } 5742 5743 if (copyRet >= 0) { 5744 pkg.applicationInfo.primaryCpuAbi = abiList[copyRet]; 5745 } else if (copyRet == PackageManager.NO_NATIVE_LIBRARIES && cpuAbiOverride != null) { 5746 pkg.applicationInfo.primaryCpuAbi = cpuAbiOverride; 5747 } else if (needsRenderScriptOverride) { 5748 pkg.applicationInfo.primaryCpuAbi = abiList[0]; 5749 } 5750 } 5751 } catch (IOException ioe) { 5752 Slog.e(TAG, "Unable to get canonical file " + ioe.toString()); 5753 } finally { 5754 IoUtils.closeQuietly(handle); 5755 } 5756 5757 // Now that we've calculated the ABIs and determined if it's an internal app, 5758 // we will go ahead and populate the nativeLibraryPath. 5759 setNativeLibraryPaths(pkg); 5760 5761 if (DEBUG_INSTALL) Slog.i(TAG, "Linking native library dir for " + path); 5762 final int[] userIds = sUserManager.getUserIds(); 5763 synchronized (mInstallLock) { 5764 // Create a native library symlink only if we have native libraries 5765 // and if the native libraries are 32 bit libraries. We do not provide 5766 // this symlink for 64 bit libraries. 5767 if (pkg.applicationInfo.primaryCpuAbi != null && 5768 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 5769 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 5770 for (int userId : userIds) { 5771 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 5772 throw new PackageManagerException(INSTALL_FAILED_INTERNAL_ERROR, 5773 "Failed linking native library dir (user=" + userId + ")"); 5774 } 5775 } 5776 } 5777 } 5778 } 5779 5780 // This is a special case for the "system" package, where the ABI is 5781 // dictated by the zygote configuration (and init.rc). We should keep track 5782 // of this ABI so that we can deal with "normal" applications that run under 5783 // the same UID correctly. 5784 if (mPlatformPackage == pkg) { 5785 pkg.applicationInfo.primaryCpuAbi = VMRuntime.getRuntime().is64Bit() ? 5786 Build.SUPPORTED_64_BIT_ABIS[0] : Build.SUPPORTED_32_BIT_ABIS[0]; 5787 } 5788 5789 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 5790 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 5791 pkgSetting.cpuAbiOverrideString = cpuAbiOverride; 5792 // Copy the derived override back to the parsed package, so that we can 5793 // update the package settings accordingly. 5794 pkg.cpuAbiOverride = cpuAbiOverride; 5795 5796 if (DEBUG_ABI_SELECTION) { 5797 Slog.d(TAG, "Resolved nativeLibraryRoot for " + pkg.applicationInfo.packageName 5798 + " to root=" + pkg.applicationInfo.nativeLibraryRootDir + ", isa=" 5799 + pkg.applicationInfo.nativeLibraryRootRequiresIsa); 5800 } 5801 5802 // Push the derived path down into PackageSettings so we know what to 5803 // clean up at uninstall time. 5804 pkgSetting.legacyNativeLibraryPathString = pkg.applicationInfo.nativeLibraryRootDir; 5805 5806 if (DEBUG_ABI_SELECTION) { 5807 Log.d(TAG, "Abis for package[" + pkg.packageName + "] are" + 5808 " primary=" + pkg.applicationInfo.primaryCpuAbi + 5809 " secondary=" + pkg.applicationInfo.secondaryCpuAbi); 5810 } 5811 5812 if ((scanFlags&SCAN_BOOTING) == 0 && pkgSetting.sharedUser != null) { 5813 // We don't do this here during boot because we can do it all 5814 // at once after scanning all existing packages. 5815 // 5816 // We also do this *before* we perform dexopt on this package, so that 5817 // we can avoid redundant dexopts, and also to make sure we've got the 5818 // code and package path correct. 5819 adjustCpuAbisForSharedUserLPw(pkgSetting.sharedUser.packages, 5820 pkg, forceDex, (scanFlags & SCAN_DEFER_DEX) != 0); 5821 } 5822 5823 if ((scanFlags & SCAN_NO_DEX) == 0) { 5824 if (performDexOptLI(pkg, null /* instruction sets */, forceDex, 5825 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5826 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, "scanPackageLI"); 5827 } 5828 } 5829 5830 if (mFactoryTest && pkg.requestedPermissions.contains( 5831 android.Manifest.permission.FACTORY_TEST)) { 5832 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_FACTORY_TEST; 5833 } 5834 5835 ArrayList<PackageParser.Package> clientLibPkgs = null; 5836 5837 // writer 5838 synchronized (mPackages) { 5839 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 5840 // Only system apps can add new shared libraries. 5841 if (pkg.libraryNames != null) { 5842 for (int i=0; i<pkg.libraryNames.size(); i++) { 5843 String name = pkg.libraryNames.get(i); 5844 boolean allowed = false; 5845 if (isUpdatedSystemApp(pkg)) { 5846 // New library entries can only be added through the 5847 // system image. This is important to get rid of a lot 5848 // of nasty edge cases: for example if we allowed a non- 5849 // system update of the app to add a library, then uninstalling 5850 // the update would make the library go away, and assumptions 5851 // we made such as through app install filtering would now 5852 // have allowed apps on the device which aren't compatible 5853 // with it. Better to just have the restriction here, be 5854 // conservative, and create many fewer cases that can negatively 5855 // impact the user experience. 5856 final PackageSetting sysPs = mSettings 5857 .getDisabledSystemPkgLPr(pkg.packageName); 5858 if (sysPs.pkg != null && sysPs.pkg.libraryNames != null) { 5859 for (int j=0; j<sysPs.pkg.libraryNames.size(); j++) { 5860 if (name.equals(sysPs.pkg.libraryNames.get(j))) { 5861 allowed = true; 5862 allowed = true; 5863 break; 5864 } 5865 } 5866 } 5867 } else { 5868 allowed = true; 5869 } 5870 if (allowed) { 5871 if (!mSharedLibraries.containsKey(name)) { 5872 mSharedLibraries.put(name, new SharedLibraryEntry(null, pkg.packageName)); 5873 } else if (!name.equals(pkg.packageName)) { 5874 Slog.w(TAG, "Package " + pkg.packageName + " library " 5875 + name + " already exists; skipping"); 5876 } 5877 } else { 5878 Slog.w(TAG, "Package " + pkg.packageName + " declares lib " 5879 + name + " that is not declared on system image; skipping"); 5880 } 5881 } 5882 if ((scanFlags&SCAN_BOOTING) == 0) { 5883 // If we are not booting, we need to update any applications 5884 // that are clients of our shared library. If we are booting, 5885 // this will all be done once the scan is complete. 5886 clientLibPkgs = updateAllSharedLibrariesLPw(pkg); 5887 } 5888 } 5889 } 5890 } 5891 5892 // We also need to dexopt any apps that are dependent on this library. Note that 5893 // if these fail, we should abort the install since installing the library will 5894 // result in some apps being broken. 5895 if (clientLibPkgs != null) { 5896 if ((scanFlags & SCAN_NO_DEX) == 0) { 5897 for (int i = 0; i < clientLibPkgs.size(); i++) { 5898 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5899 if (performDexOptLI(clientPkg, null /* instruction sets */, forceDex, 5900 (scanFlags & SCAN_DEFER_DEX) != 0, false) == DEX_OPT_FAILED) { 5901 throw new PackageManagerException(INSTALL_FAILED_DEXOPT, 5902 "scanPackageLI failed to dexopt clientLibPkgs"); 5903 } 5904 } 5905 } 5906 } 5907 5908 // Request the ActivityManager to kill the process(only for existing packages) 5909 // so that we do not end up in a confused state while the user is still using the older 5910 // version of the application while the new one gets installed. 5911 if ((scanFlags & SCAN_REPLACING) != 0) { 5912 killApplication(pkg.applicationInfo.packageName, 5913 pkg.applicationInfo.uid, "update pkg"); 5914 } 5915 5916 // Also need to kill any apps that are dependent on the library. 5917 if (clientLibPkgs != null) { 5918 for (int i=0; i<clientLibPkgs.size(); i++) { 5919 PackageParser.Package clientPkg = clientLibPkgs.get(i); 5920 killApplication(clientPkg.applicationInfo.packageName, 5921 clientPkg.applicationInfo.uid, "update lib"); 5922 } 5923 } 5924 5925 // writer 5926 synchronized (mPackages) { 5927 // We don't expect installation to fail beyond this point 5928 5929 // Add the new setting to mSettings 5930 mSettings.insertPackageSettingLPw(pkgSetting, pkg); 5931 // Add the new setting to mPackages 5932 mPackages.put(pkg.applicationInfo.packageName, pkg); 5933 // Make sure we don't accidentally delete its data. 5934 final Iterator<PackageCleanItem> iter = mSettings.mPackagesToBeCleaned.iterator(); 5935 while (iter.hasNext()) { 5936 PackageCleanItem item = iter.next(); 5937 if (pkgName.equals(item.packageName)) { 5938 iter.remove(); 5939 } 5940 } 5941 5942 // Take care of first install / last update times. 5943 if (currentTime != 0) { 5944 if (pkgSetting.firstInstallTime == 0) { 5945 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = currentTime; 5946 } else if ((scanFlags&SCAN_UPDATE_TIME) != 0) { 5947 pkgSetting.lastUpdateTime = currentTime; 5948 } 5949 } else if (pkgSetting.firstInstallTime == 0) { 5950 // We need *something*. Take time time stamp of the file. 5951 pkgSetting.firstInstallTime = pkgSetting.lastUpdateTime = scanFileTime; 5952 } else if ((parseFlags&PackageParser.PARSE_IS_SYSTEM_DIR) != 0) { 5953 if (scanFileTime != pkgSetting.timeStamp) { 5954 // A package on the system image has changed; consider this 5955 // to be an update. 5956 pkgSetting.lastUpdateTime = scanFileTime; 5957 } 5958 } 5959 5960 // Add the package's KeySets to the global KeySetManagerService 5961 KeySetManagerService ksms = mSettings.mKeySetManagerService; 5962 try { 5963 // Old KeySetData no longer valid. 5964 ksms.removeAppKeySetDataLPw(pkg.packageName); 5965 ksms.addSigningKeySetToPackageLPw(pkg.packageName, pkg.mSigningKeys); 5966 if (pkg.mKeySetMapping != null) { 5967 for (Map.Entry<String, ArraySet<PublicKey>> entry : 5968 pkg.mKeySetMapping.entrySet()) { 5969 if (entry.getValue() != null) { 5970 ksms.addDefinedKeySetToPackageLPw(pkg.packageName, 5971 entry.getValue(), entry.getKey()); 5972 } 5973 } 5974 if (pkg.mUpgradeKeySets != null) { 5975 for (String upgradeAlias : pkg.mUpgradeKeySets) { 5976 ksms.addUpgradeKeySetToPackageLPw(pkg.packageName, upgradeAlias); 5977 } 5978 } 5979 } 5980 } catch (NullPointerException e) { 5981 Slog.e(TAG, "Could not add KeySet to " + pkg.packageName, e); 5982 } catch (IllegalArgumentException e) { 5983 Slog.e(TAG, "Could not add KeySet to malformed package" + pkg.packageName, e); 5984 } 5985 5986 int N = pkg.providers.size(); 5987 StringBuilder r = null; 5988 int i; 5989 for (i=0; i<N; i++) { 5990 PackageParser.Provider p = pkg.providers.get(i); 5991 p.info.processName = fixProcessName(pkg.applicationInfo.processName, 5992 p.info.processName, pkg.applicationInfo.uid); 5993 mProviders.addProvider(p); 5994 p.syncable = p.info.isSyncable; 5995 if (p.info.authority != null) { 5996 String names[] = p.info.authority.split(";"); 5997 p.info.authority = null; 5998 for (int j = 0; j < names.length; j++) { 5999 if (j == 1 && p.syncable) { 6000 // We only want the first authority for a provider to possibly be 6001 // syncable, so if we already added this provider using a different 6002 // authority clear the syncable flag. We copy the provider before 6003 // changing it because the mProviders object contains a reference 6004 // to a provider that we don't want to change. 6005 // Only do this for the second authority since the resulting provider 6006 // object can be the same for all future authorities for this provider. 6007 p = new PackageParser.Provider(p); 6008 p.syncable = false; 6009 } 6010 if (!mProvidersByAuthority.containsKey(names[j])) { 6011 mProvidersByAuthority.put(names[j], p); 6012 if (p.info.authority == null) { 6013 p.info.authority = names[j]; 6014 } else { 6015 p.info.authority = p.info.authority + ";" + names[j]; 6016 } 6017 if (DEBUG_PACKAGE_SCANNING) { 6018 if ((parseFlags & PackageParser.PARSE_CHATTY) != 0) 6019 Log.d(TAG, "Registered content provider: " + names[j] 6020 + ", className = " + p.info.name + ", isSyncable = " 6021 + p.info.isSyncable); 6022 } 6023 } else { 6024 PackageParser.Provider other = mProvidersByAuthority.get(names[j]); 6025 Slog.w(TAG, "Skipping provider name " + names[j] + 6026 " (in package " + pkg.applicationInfo.packageName + 6027 "): name already used by " 6028 + ((other != null && other.getComponentName() != null) 6029 ? other.getComponentName().getPackageName() : "?")); 6030 } 6031 } 6032 } 6033 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6034 if (r == null) { 6035 r = new StringBuilder(256); 6036 } else { 6037 r.append(' '); 6038 } 6039 r.append(p.info.name); 6040 } 6041 } 6042 if (r != null) { 6043 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Providers: " + r); 6044 } 6045 6046 N = pkg.services.size(); 6047 r = null; 6048 for (i=0; i<N; i++) { 6049 PackageParser.Service s = pkg.services.get(i); 6050 s.info.processName = fixProcessName(pkg.applicationInfo.processName, 6051 s.info.processName, pkg.applicationInfo.uid); 6052 mServices.addService(s); 6053 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6054 if (r == null) { 6055 r = new StringBuilder(256); 6056 } else { 6057 r.append(' '); 6058 } 6059 r.append(s.info.name); 6060 } 6061 } 6062 if (r != null) { 6063 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Services: " + r); 6064 } 6065 6066 N = pkg.receivers.size(); 6067 r = null; 6068 for (i=0; i<N; i++) { 6069 PackageParser.Activity a = pkg.receivers.get(i); 6070 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6071 a.info.processName, pkg.applicationInfo.uid); 6072 mReceivers.addActivity(a, "receiver"); 6073 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6074 if (r == null) { 6075 r = new StringBuilder(256); 6076 } else { 6077 r.append(' '); 6078 } 6079 r.append(a.info.name); 6080 } 6081 } 6082 if (r != null) { 6083 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Receivers: " + r); 6084 } 6085 6086 N = pkg.activities.size(); 6087 r = null; 6088 for (i=0; i<N; i++) { 6089 PackageParser.Activity a = pkg.activities.get(i); 6090 a.info.processName = fixProcessName(pkg.applicationInfo.processName, 6091 a.info.processName, pkg.applicationInfo.uid); 6092 mActivities.addActivity(a, "activity"); 6093 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6094 if (r == null) { 6095 r = new StringBuilder(256); 6096 } else { 6097 r.append(' '); 6098 } 6099 r.append(a.info.name); 6100 } 6101 } 6102 if (r != null) { 6103 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Activities: " + r); 6104 } 6105 6106 N = pkg.permissionGroups.size(); 6107 r = null; 6108 for (i=0; i<N; i++) { 6109 PackageParser.PermissionGroup pg = pkg.permissionGroups.get(i); 6110 PackageParser.PermissionGroup cur = mPermissionGroups.get(pg.info.name); 6111 if (cur == null) { 6112 mPermissionGroups.put(pg.info.name, pg); 6113 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6114 if (r == null) { 6115 r = new StringBuilder(256); 6116 } else { 6117 r.append(' '); 6118 } 6119 r.append(pg.info.name); 6120 } 6121 } else { 6122 Slog.w(TAG, "Permission group " + pg.info.name + " from package " 6123 + pg.info.packageName + " ignored: original from " 6124 + cur.info.packageName); 6125 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6126 if (r == null) { 6127 r = new StringBuilder(256); 6128 } else { 6129 r.append(' '); 6130 } 6131 r.append("DUP:"); 6132 r.append(pg.info.name); 6133 } 6134 } 6135 } 6136 if (r != null) { 6137 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permission Groups: " + r); 6138 } 6139 6140 N = pkg.permissions.size(); 6141 r = null; 6142 for (i=0; i<N; i++) { 6143 PackageParser.Permission p = pkg.permissions.get(i); 6144 HashMap<String, BasePermission> permissionMap = 6145 p.tree ? mSettings.mPermissionTrees 6146 : mSettings.mPermissions; 6147 p.group = mPermissionGroups.get(p.info.group); 6148 if (p.info.group == null || p.group != null) { 6149 BasePermission bp = permissionMap.get(p.info.name); 6150 6151 // Allow system apps to redefine non-system permissions 6152 if (bp != null && !Objects.equals(bp.sourcePackage, p.info.packageName)) { 6153 final boolean currentOwnerIsSystem = (bp.perm != null 6154 && isSystemApp(bp.perm.owner)); 6155 if (isSystemApp(p.owner)) { 6156 if (bp.type == BasePermission.TYPE_BUILTIN && bp.perm == null) { 6157 // It's a built-in permission and no owner, take ownership now 6158 bp.packageSetting = pkgSetting; 6159 bp.perm = p; 6160 bp.uid = pkg.applicationInfo.uid; 6161 bp.sourcePackage = p.info.packageName; 6162 } else if (!currentOwnerIsSystem) { 6163 String msg = "New decl " + p.owner + " of permission " 6164 + p.info.name + " is system; overriding " + bp.sourcePackage; 6165 reportSettingsProblem(Log.WARN, msg); 6166 bp = null; 6167 } 6168 } 6169 } 6170 6171 if (bp == null) { 6172 bp = new BasePermission(p.info.name, p.info.packageName, 6173 BasePermission.TYPE_NORMAL); 6174 permissionMap.put(p.info.name, bp); 6175 } 6176 6177 if (bp.perm == null) { 6178 if (bp.sourcePackage == null 6179 || bp.sourcePackage.equals(p.info.packageName)) { 6180 BasePermission tree = findPermissionTreeLP(p.info.name); 6181 if (tree == null 6182 || tree.sourcePackage.equals(p.info.packageName)) { 6183 bp.packageSetting = pkgSetting; 6184 bp.perm = p; 6185 bp.uid = pkg.applicationInfo.uid; 6186 bp.sourcePackage = p.info.packageName; 6187 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6188 if (r == null) { 6189 r = new StringBuilder(256); 6190 } else { 6191 r.append(' '); 6192 } 6193 r.append(p.info.name); 6194 } 6195 } else { 6196 Slog.w(TAG, "Permission " + p.info.name + " from package " 6197 + p.info.packageName + " ignored: base tree " 6198 + tree.name + " is from package " 6199 + tree.sourcePackage); 6200 } 6201 } else { 6202 Slog.w(TAG, "Permission " + p.info.name + " from package " 6203 + p.info.packageName + " ignored: original from " 6204 + bp.sourcePackage); 6205 } 6206 } else if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6207 if (r == null) { 6208 r = new StringBuilder(256); 6209 } else { 6210 r.append(' '); 6211 } 6212 r.append("DUP:"); 6213 r.append(p.info.name); 6214 } 6215 if (bp.perm == p) { 6216 bp.protectionLevel = p.info.protectionLevel; 6217 } 6218 } else { 6219 Slog.w(TAG, "Permission " + p.info.name + " from package " 6220 + p.info.packageName + " ignored: no group " 6221 + p.group); 6222 } 6223 } 6224 if (r != null) { 6225 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Permissions: " + r); 6226 } 6227 6228 N = pkg.instrumentation.size(); 6229 r = null; 6230 for (i=0; i<N; i++) { 6231 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6232 a.info.packageName = pkg.applicationInfo.packageName; 6233 a.info.sourceDir = pkg.applicationInfo.sourceDir; 6234 a.info.publicSourceDir = pkg.applicationInfo.publicSourceDir; 6235 a.info.splitSourceDirs = pkg.applicationInfo.splitSourceDirs; 6236 a.info.splitPublicSourceDirs = pkg.applicationInfo.splitPublicSourceDirs; 6237 a.info.dataDir = pkg.applicationInfo.dataDir; 6238 6239 // TODO: Update instrumentation.nativeLibraryDir as well ? Does it 6240 // need other information about the application, like the ABI and what not ? 6241 a.info.nativeLibraryDir = pkg.applicationInfo.nativeLibraryDir; 6242 mInstrumentation.put(a.getComponentName(), a); 6243 if ((parseFlags&PackageParser.PARSE_CHATTY) != 0) { 6244 if (r == null) { 6245 r = new StringBuilder(256); 6246 } else { 6247 r.append(' '); 6248 } 6249 r.append(a.info.name); 6250 } 6251 } 6252 if (r != null) { 6253 if (DEBUG_PACKAGE_SCANNING) Log.d(TAG, " Instrumentation: " + r); 6254 } 6255 6256 if (pkg.protectedBroadcasts != null) { 6257 N = pkg.protectedBroadcasts.size(); 6258 for (i=0; i<N; i++) { 6259 mProtectedBroadcasts.add(pkg.protectedBroadcasts.get(i)); 6260 } 6261 } 6262 6263 pkgSetting.setTimeStamp(scanFileTime); 6264 6265 // Create idmap files for pairs of (packages, overlay packages). 6266 // Note: "android", ie framework-res.apk, is handled by native layers. 6267 if (pkg.mOverlayTarget != null) { 6268 // This is an overlay package. 6269 if (pkg.mOverlayTarget != null && !pkg.mOverlayTarget.equals("android")) { 6270 if (!mOverlays.containsKey(pkg.mOverlayTarget)) { 6271 mOverlays.put(pkg.mOverlayTarget, 6272 new HashMap<String, PackageParser.Package>()); 6273 } 6274 HashMap<String, PackageParser.Package> map = mOverlays.get(pkg.mOverlayTarget); 6275 map.put(pkg.packageName, pkg); 6276 PackageParser.Package orig = mPackages.get(pkg.mOverlayTarget); 6277 if (orig != null && !createIdmapForPackagePairLI(orig, pkg)) { 6278 throw new PackageManagerException(INSTALL_FAILED_UPDATE_INCOMPATIBLE, 6279 "scanPackageLI failed to createIdmap"); 6280 } 6281 } 6282 } else if (mOverlays.containsKey(pkg.packageName) && 6283 !pkg.packageName.equals("android")) { 6284 // This is a regular package, with one or more known overlay packages. 6285 createIdmapsForPackageLI(pkg); 6286 } 6287 } 6288 6289 return pkg; 6290 } 6291 6292 /** 6293 * Adjusts ABIs for a set of packages belonging to a shared user so that they all match. 6294 * i.e, so that all packages can be run inside a single process if required. 6295 * 6296 * Optionally, callers can pass in a parsed package via {@code newPackage} in which case 6297 * this function will either try and make the ABI for all packages in {@code packagesForUser} 6298 * match {@code scannedPackage} or will update the ABI of {@code scannedPackage} to match 6299 * the ABI selected for {@code packagesForUser}. This variant is used when installing or 6300 * updating a package that belongs to a shared user. 6301 * 6302 * NOTE: We currently only match for the primary CPU abi string. Matching the secondary 6303 * adds unnecessary complexity. 6304 */ 6305 private void adjustCpuAbisForSharedUserLPw(Set<PackageSetting> packagesForUser, 6306 PackageParser.Package scannedPackage, boolean forceDexOpt, boolean deferDexOpt) { 6307 String requiredInstructionSet = null; 6308 if (scannedPackage != null && scannedPackage.applicationInfo.primaryCpuAbi != null) { 6309 requiredInstructionSet = VMRuntime.getInstructionSet( 6310 scannedPackage.applicationInfo.primaryCpuAbi); 6311 } 6312 6313 PackageSetting requirer = null; 6314 for (PackageSetting ps : packagesForUser) { 6315 // If packagesForUser contains scannedPackage, we skip it. This will happen 6316 // when scannedPackage is an update of an existing package. Without this check, 6317 // we will never be able to change the ABI of any package belonging to a shared 6318 // user, even if it's compatible with other packages. 6319 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6320 if (ps.primaryCpuAbiString == null) { 6321 continue; 6322 } 6323 6324 final String instructionSet = VMRuntime.getInstructionSet(ps.primaryCpuAbiString); 6325 if (requiredInstructionSet != null && !instructionSet.equals(requiredInstructionSet)) { 6326 // We have a mismatch between instruction sets (say arm vs arm64) warn about 6327 // this but there's not much we can do. 6328 String errorMessage = "Instruction set mismatch, " 6329 + ((requirer == null) ? "[caller]" : requirer) 6330 + " requires " + requiredInstructionSet + " whereas " + ps 6331 + " requires " + instructionSet; 6332 Slog.w(TAG, errorMessage); 6333 } 6334 6335 if (requiredInstructionSet == null) { 6336 requiredInstructionSet = instructionSet; 6337 requirer = ps; 6338 } 6339 } 6340 } 6341 6342 if (requiredInstructionSet != null) { 6343 String adjustedAbi; 6344 if (requirer != null) { 6345 // requirer != null implies that either scannedPackage was null or that scannedPackage 6346 // did not require an ABI, in which case we have to adjust scannedPackage to match 6347 // the ABI of the set (which is the same as requirer's ABI) 6348 adjustedAbi = requirer.primaryCpuAbiString; 6349 if (scannedPackage != null) { 6350 scannedPackage.applicationInfo.primaryCpuAbi = adjustedAbi; 6351 } 6352 } else { 6353 // requirer == null implies that we're updating all ABIs in the set to 6354 // match scannedPackage. 6355 adjustedAbi = scannedPackage.applicationInfo.primaryCpuAbi; 6356 } 6357 6358 for (PackageSetting ps : packagesForUser) { 6359 if (scannedPackage == null || !scannedPackage.packageName.equals(ps.name)) { 6360 if (ps.primaryCpuAbiString != null) { 6361 continue; 6362 } 6363 6364 ps.primaryCpuAbiString = adjustedAbi; 6365 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 6366 ps.pkg.applicationInfo.primaryCpuAbi = adjustedAbi; 6367 Slog.i(TAG, "Adjusting ABI for : " + ps.name + " to " + adjustedAbi); 6368 6369 if (performDexOptLI(ps.pkg, null /* instruction sets */, forceDexOpt, 6370 deferDexOpt, true) == DEX_OPT_FAILED) { 6371 ps.primaryCpuAbiString = null; 6372 ps.pkg.applicationInfo.primaryCpuAbi = null; 6373 return; 6374 } else { 6375 mInstaller.rmdex(ps.codePathString, 6376 getDexCodeInstructionSet(getPreferredInstructionSet())); 6377 } 6378 } 6379 } 6380 } 6381 } 6382 } 6383 6384 private void setUpCustomResolverActivity(PackageParser.Package pkg) { 6385 synchronized (mPackages) { 6386 mResolverReplaced = true; 6387 // Set up information for custom user intent resolution activity. 6388 mResolveActivity.applicationInfo = pkg.applicationInfo; 6389 mResolveActivity.name = mCustomResolverComponentName.getClassName(); 6390 mResolveActivity.packageName = pkg.applicationInfo.packageName; 6391 mResolveActivity.processName = null; 6392 mResolveActivity.launchMode = ActivityInfo.LAUNCH_MULTIPLE; 6393 mResolveActivity.flags = ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS | 6394 ActivityInfo.FLAG_FINISH_ON_CLOSE_SYSTEM_DIALOGS; 6395 mResolveActivity.theme = 0; 6396 mResolveActivity.exported = true; 6397 mResolveActivity.enabled = true; 6398 mResolveInfo.activityInfo = mResolveActivity; 6399 mResolveInfo.priority = 0; 6400 mResolveInfo.preferredOrder = 0; 6401 mResolveInfo.match = 0; 6402 mResolveComponentName = mCustomResolverComponentName; 6403 Slog.i(TAG, "Replacing default ResolverActivity with custom activity: " + 6404 mResolveComponentName); 6405 } 6406 } 6407 6408 private static String calculateBundledApkRoot(final String codePathString) { 6409 final File codePath = new File(codePathString); 6410 final File codeRoot; 6411 if (FileUtils.contains(Environment.getRootDirectory(), codePath)) { 6412 codeRoot = Environment.getRootDirectory(); 6413 } else if (FileUtils.contains(Environment.getOemDirectory(), codePath)) { 6414 codeRoot = Environment.getOemDirectory(); 6415 } else if (FileUtils.contains(Environment.getVendorDirectory(), codePath)) { 6416 codeRoot = Environment.getVendorDirectory(); 6417 } else { 6418 // Unrecognized code path; take its top real segment as the apk root: 6419 // e.g. /something/app/blah.apk => /something 6420 try { 6421 File f = codePath.getCanonicalFile(); 6422 File parent = f.getParentFile(); // non-null because codePath is a file 6423 File tmp; 6424 while ((tmp = parent.getParentFile()) != null) { 6425 f = parent; 6426 parent = tmp; 6427 } 6428 codeRoot = f; 6429 Slog.w(TAG, "Unrecognized code path " 6430 + codePath + " - using " + codeRoot); 6431 } catch (IOException e) { 6432 // Can't canonicalize the code path -- shenanigans? 6433 Slog.w(TAG, "Can't canonicalize code path " + codePath); 6434 return Environment.getRootDirectory().getPath(); 6435 } 6436 } 6437 return codeRoot.getPath(); 6438 } 6439 6440 /** 6441 * Derive and set the location of native libraries for the given package, 6442 * which varies depending on where and how the package was installed. 6443 */ 6444 private void setNativeLibraryPaths(PackageParser.Package pkg) { 6445 final ApplicationInfo info = pkg.applicationInfo; 6446 final String codePath = pkg.codePath; 6447 final File codeFile = new File(codePath); 6448 final boolean bundledApp = isSystemApp(info) && !isUpdatedSystemApp(info); 6449 final boolean asecApp = isForwardLocked(info) || isExternal(info); 6450 6451 info.nativeLibraryRootDir = null; 6452 info.nativeLibraryRootRequiresIsa = false; 6453 info.nativeLibraryDir = null; 6454 info.secondaryNativeLibraryDir = null; 6455 6456 if (isApkFile(codeFile)) { 6457 // Monolithic install 6458 if (bundledApp) { 6459 // If "/system/lib64/apkname" exists, assume that is the per-package 6460 // native library directory to use; otherwise use "/system/lib/apkname". 6461 final String apkRoot = calculateBundledApkRoot(info.sourceDir); 6462 final boolean is64Bit = VMRuntime.is64BitInstructionSet( 6463 getPrimaryInstructionSet(info)); 6464 6465 // This is a bundled system app so choose the path based on the ABI. 6466 // if it's a 64 bit abi, use lib64 otherwise use lib32. Note that this 6467 // is just the default path. 6468 final String apkName = deriveCodePathName(codePath); 6469 final String libDir = is64Bit ? LIB64_DIR_NAME : LIB_DIR_NAME; 6470 info.nativeLibraryRootDir = Environment.buildPath(new File(apkRoot), libDir, 6471 apkName).getAbsolutePath(); 6472 6473 if (info.secondaryCpuAbi != null) { 6474 final String secondaryLibDir = is64Bit ? LIB_DIR_NAME : LIB64_DIR_NAME; 6475 info.secondaryNativeLibraryDir = Environment.buildPath(new File(apkRoot), 6476 secondaryLibDir, apkName).getAbsolutePath(); 6477 } 6478 } else if (asecApp) { 6479 info.nativeLibraryRootDir = new File(codeFile.getParentFile(), LIB_DIR_NAME) 6480 .getAbsolutePath(); 6481 } else { 6482 final String apkName = deriveCodePathName(codePath); 6483 info.nativeLibraryRootDir = new File(mAppLib32InstallDir, apkName) 6484 .getAbsolutePath(); 6485 } 6486 6487 info.nativeLibraryRootRequiresIsa = false; 6488 info.nativeLibraryDir = info.nativeLibraryRootDir; 6489 } else { 6490 // Cluster install 6491 info.nativeLibraryRootDir = new File(codeFile, LIB_DIR_NAME).getAbsolutePath(); 6492 info.nativeLibraryRootRequiresIsa = true; 6493 6494 info.nativeLibraryDir = new File(info.nativeLibraryRootDir, 6495 getPrimaryInstructionSet(info)).getAbsolutePath(); 6496 6497 if (info.secondaryCpuAbi != null) { 6498 info.secondaryNativeLibraryDir = new File(info.nativeLibraryRootDir, 6499 VMRuntime.getInstructionSet(info.secondaryCpuAbi)).getAbsolutePath(); 6500 } 6501 } 6502 } 6503 6504 /** 6505 * Calculate the abis and roots for a bundled app. These can uniquely 6506 * be determined from the contents of the system partition, i.e whether 6507 * it contains 64 or 32 bit shared libraries etc. We do not validate any 6508 * of this information, and instead assume that the system was built 6509 * sensibly. 6510 */ 6511 private void setBundledAppAbisAndRoots(PackageParser.Package pkg, 6512 PackageSetting pkgSetting) { 6513 final String apkName = deriveCodePathName(pkg.applicationInfo.getCodePath()); 6514 6515 // If "/system/lib64/apkname" exists, assume that is the per-package 6516 // native library directory to use; otherwise use "/system/lib/apkname". 6517 final String apkRoot = calculateBundledApkRoot(pkg.applicationInfo.sourceDir); 6518 setBundledAppAbi(pkg, apkRoot, apkName); 6519 // pkgSetting might be null during rescan following uninstall of updates 6520 // to a bundled app, so accommodate that possibility. The settings in 6521 // that case will be established later from the parsed package. 6522 // 6523 // If the settings aren't null, sync them up with what we've just derived. 6524 // note that apkRoot isn't stored in the package settings. 6525 if (pkgSetting != null) { 6526 pkgSetting.primaryCpuAbiString = pkg.applicationInfo.primaryCpuAbi; 6527 pkgSetting.secondaryCpuAbiString = pkg.applicationInfo.secondaryCpuAbi; 6528 } 6529 } 6530 6531 /** 6532 * Deduces the ABI of a bundled app and sets the relevant fields on the 6533 * parsed pkg object. 6534 * 6535 * @param apkRoot the root of the installed apk, something like {@code /system} or {@code /oem} 6536 * under which system libraries are installed. 6537 * @param apkName the name of the installed package. 6538 */ 6539 private static void setBundledAppAbi(PackageParser.Package pkg, String apkRoot, String apkName) { 6540 final File codeFile = new File(pkg.codePath); 6541 6542 final boolean has64BitLibs; 6543 final boolean has32BitLibs; 6544 if (isApkFile(codeFile)) { 6545 // Monolithic install 6546 has64BitLibs = (new File(apkRoot, new File(LIB64_DIR_NAME, apkName).getPath())).exists(); 6547 has32BitLibs = (new File(apkRoot, new File(LIB_DIR_NAME, apkName).getPath())).exists(); 6548 } else { 6549 // Cluster install 6550 final File rootDir = new File(codeFile, LIB_DIR_NAME); 6551 if (!ArrayUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS) 6552 && !TextUtils.isEmpty(Build.SUPPORTED_64_BIT_ABIS[0])) { 6553 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_64_BIT_ABIS[0]); 6554 has64BitLibs = (new File(rootDir, isa)).exists(); 6555 } else { 6556 has64BitLibs = false; 6557 } 6558 if (!ArrayUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS) 6559 && !TextUtils.isEmpty(Build.SUPPORTED_32_BIT_ABIS[0])) { 6560 final String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_32_BIT_ABIS[0]); 6561 has32BitLibs = (new File(rootDir, isa)).exists(); 6562 } else { 6563 has32BitLibs = false; 6564 } 6565 } 6566 6567 if (has64BitLibs && !has32BitLibs) { 6568 // The package has 64 bit libs, but not 32 bit libs. Its primary 6569 // ABI should be 64 bit. We can safely assume here that the bundled 6570 // native libraries correspond to the most preferred ABI in the list. 6571 6572 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6573 pkg.applicationInfo.secondaryCpuAbi = null; 6574 } else if (has32BitLibs && !has64BitLibs) { 6575 // The package has 32 bit libs but not 64 bit libs. Its primary 6576 // ABI should be 32 bit. 6577 6578 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6579 pkg.applicationInfo.secondaryCpuAbi = null; 6580 } else if (has32BitLibs && has64BitLibs) { 6581 // The application has both 64 and 32 bit bundled libraries. We check 6582 // here that the app declares multiArch support, and warn if it doesn't. 6583 // 6584 // We will be lenient here and record both ABIs. The primary will be the 6585 // ABI that's higher on the list, i.e, a device that's configured to prefer 6586 // 64 bit apps will see a 64 bit primary ABI, 6587 6588 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_MULTIARCH) == 0) { 6589 Slog.e(TAG, "Package: " + pkg + " has multiple bundled libs, but is not multiarch."); 6590 } 6591 6592 if (VMRuntime.is64BitInstructionSet(getPreferredInstructionSet())) { 6593 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6594 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6595 } else { 6596 pkg.applicationInfo.primaryCpuAbi = Build.SUPPORTED_32_BIT_ABIS[0]; 6597 pkg.applicationInfo.secondaryCpuAbi = Build.SUPPORTED_64_BIT_ABIS[0]; 6598 } 6599 } else { 6600 pkg.applicationInfo.primaryCpuAbi = null; 6601 pkg.applicationInfo.secondaryCpuAbi = null; 6602 } 6603 } 6604 6605 private void killApplication(String pkgName, int appId, String reason) { 6606 // Request the ActivityManager to kill the process(only for existing packages) 6607 // so that we do not end up in a confused state while the user is still using the older 6608 // version of the application while the new one gets installed. 6609 IActivityManager am = ActivityManagerNative.getDefault(); 6610 if (am != null) { 6611 try { 6612 am.killApplicationWithAppId(pkgName, appId, reason); 6613 } catch (RemoteException e) { 6614 } 6615 } 6616 } 6617 6618 void removePackageLI(PackageSetting ps, boolean chatty) { 6619 if (DEBUG_INSTALL) { 6620 if (chatty) 6621 Log.d(TAG, "Removing package " + ps.name); 6622 } 6623 6624 // writer 6625 synchronized (mPackages) { 6626 mPackages.remove(ps.name); 6627 final PackageParser.Package pkg = ps.pkg; 6628 if (pkg != null) { 6629 cleanPackageDataStructuresLILPw(pkg, chatty); 6630 } 6631 } 6632 } 6633 6634 void removeInstalledPackageLI(PackageParser.Package pkg, boolean chatty) { 6635 if (DEBUG_INSTALL) { 6636 if (chatty) 6637 Log.d(TAG, "Removing package " + pkg.applicationInfo.packageName); 6638 } 6639 6640 // writer 6641 synchronized (mPackages) { 6642 mPackages.remove(pkg.applicationInfo.packageName); 6643 cleanPackageDataStructuresLILPw(pkg, chatty); 6644 } 6645 } 6646 6647 void cleanPackageDataStructuresLILPw(PackageParser.Package pkg, boolean chatty) { 6648 int N = pkg.providers.size(); 6649 StringBuilder r = null; 6650 int i; 6651 for (i=0; i<N; i++) { 6652 PackageParser.Provider p = pkg.providers.get(i); 6653 mProviders.removeProvider(p); 6654 if (p.info.authority == null) { 6655 6656 /* There was another ContentProvider with this authority when 6657 * this app was installed so this authority is null, 6658 * Ignore it as we don't have to unregister the provider. 6659 */ 6660 continue; 6661 } 6662 String names[] = p.info.authority.split(";"); 6663 for (int j = 0; j < names.length; j++) { 6664 if (mProvidersByAuthority.get(names[j]) == p) { 6665 mProvidersByAuthority.remove(names[j]); 6666 if (DEBUG_REMOVE) { 6667 if (chatty) 6668 Log.d(TAG, "Unregistered content provider: " + names[j] 6669 + ", className = " + p.info.name + ", isSyncable = " 6670 + p.info.isSyncable); 6671 } 6672 } 6673 } 6674 if (DEBUG_REMOVE && chatty) { 6675 if (r == null) { 6676 r = new StringBuilder(256); 6677 } else { 6678 r.append(' '); 6679 } 6680 r.append(p.info.name); 6681 } 6682 } 6683 if (r != null) { 6684 if (DEBUG_REMOVE) Log.d(TAG, " Providers: " + r); 6685 } 6686 6687 N = pkg.services.size(); 6688 r = null; 6689 for (i=0; i<N; i++) { 6690 PackageParser.Service s = pkg.services.get(i); 6691 mServices.removeService(s); 6692 if (chatty) { 6693 if (r == null) { 6694 r = new StringBuilder(256); 6695 } else { 6696 r.append(' '); 6697 } 6698 r.append(s.info.name); 6699 } 6700 } 6701 if (r != null) { 6702 if (DEBUG_REMOVE) Log.d(TAG, " Services: " + r); 6703 } 6704 6705 N = pkg.receivers.size(); 6706 r = null; 6707 for (i=0; i<N; i++) { 6708 PackageParser.Activity a = pkg.receivers.get(i); 6709 mReceivers.removeActivity(a, "receiver"); 6710 if (DEBUG_REMOVE && chatty) { 6711 if (r == null) { 6712 r = new StringBuilder(256); 6713 } else { 6714 r.append(' '); 6715 } 6716 r.append(a.info.name); 6717 } 6718 } 6719 if (r != null) { 6720 if (DEBUG_REMOVE) Log.d(TAG, " Receivers: " + r); 6721 } 6722 6723 N = pkg.activities.size(); 6724 r = null; 6725 for (i=0; i<N; i++) { 6726 PackageParser.Activity a = pkg.activities.get(i); 6727 mActivities.removeActivity(a, "activity"); 6728 if (DEBUG_REMOVE && chatty) { 6729 if (r == null) { 6730 r = new StringBuilder(256); 6731 } else { 6732 r.append(' '); 6733 } 6734 r.append(a.info.name); 6735 } 6736 } 6737 if (r != null) { 6738 if (DEBUG_REMOVE) Log.d(TAG, " Activities: " + r); 6739 } 6740 6741 N = pkg.permissions.size(); 6742 r = null; 6743 for (i=0; i<N; i++) { 6744 PackageParser.Permission p = pkg.permissions.get(i); 6745 BasePermission bp = mSettings.mPermissions.get(p.info.name); 6746 if (bp == null) { 6747 bp = mSettings.mPermissionTrees.get(p.info.name); 6748 } 6749 if (bp != null && bp.perm == p) { 6750 bp.perm = null; 6751 if (DEBUG_REMOVE && chatty) { 6752 if (r == null) { 6753 r = new StringBuilder(256); 6754 } else { 6755 r.append(' '); 6756 } 6757 r.append(p.info.name); 6758 } 6759 } 6760 if ((p.info.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6761 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(p.info.name); 6762 if (appOpPerms != null) { 6763 appOpPerms.remove(pkg.packageName); 6764 } 6765 } 6766 } 6767 if (r != null) { 6768 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6769 } 6770 6771 N = pkg.requestedPermissions.size(); 6772 r = null; 6773 for (i=0; i<N; i++) { 6774 String perm = pkg.requestedPermissions.get(i); 6775 BasePermission bp = mSettings.mPermissions.get(perm); 6776 if (bp != null && (bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6777 ArraySet<String> appOpPerms = mAppOpPermissionPackages.get(perm); 6778 if (appOpPerms != null) { 6779 appOpPerms.remove(pkg.packageName); 6780 if (appOpPerms.isEmpty()) { 6781 mAppOpPermissionPackages.remove(perm); 6782 } 6783 } 6784 } 6785 } 6786 if (r != null) { 6787 if (DEBUG_REMOVE) Log.d(TAG, " Permissions: " + r); 6788 } 6789 6790 N = pkg.instrumentation.size(); 6791 r = null; 6792 for (i=0; i<N; i++) { 6793 PackageParser.Instrumentation a = pkg.instrumentation.get(i); 6794 mInstrumentation.remove(a.getComponentName()); 6795 if (DEBUG_REMOVE && chatty) { 6796 if (r == null) { 6797 r = new StringBuilder(256); 6798 } else { 6799 r.append(' '); 6800 } 6801 r.append(a.info.name); 6802 } 6803 } 6804 if (r != null) { 6805 if (DEBUG_REMOVE) Log.d(TAG, " Instrumentation: " + r); 6806 } 6807 6808 r = null; 6809 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) { 6810 // Only system apps can hold shared libraries. 6811 if (pkg.libraryNames != null) { 6812 for (i=0; i<pkg.libraryNames.size(); i++) { 6813 String name = pkg.libraryNames.get(i); 6814 SharedLibraryEntry cur = mSharedLibraries.get(name); 6815 if (cur != null && cur.apk != null && cur.apk.equals(pkg.packageName)) { 6816 mSharedLibraries.remove(name); 6817 if (DEBUG_REMOVE && chatty) { 6818 if (r == null) { 6819 r = new StringBuilder(256); 6820 } else { 6821 r.append(' '); 6822 } 6823 r.append(name); 6824 } 6825 } 6826 } 6827 } 6828 } 6829 if (r != null) { 6830 if (DEBUG_REMOVE) Log.d(TAG, " Libraries: " + r); 6831 } 6832 } 6833 6834 private static boolean hasPermission(PackageParser.Package pkgInfo, String perm) { 6835 for (int i=pkgInfo.permissions.size()-1; i>=0; i--) { 6836 if (pkgInfo.permissions.get(i).info.name.equals(perm)) { 6837 return true; 6838 } 6839 } 6840 return false; 6841 } 6842 6843 static final int UPDATE_PERMISSIONS_ALL = 1<<0; 6844 static final int UPDATE_PERMISSIONS_REPLACE_PKG = 1<<1; 6845 static final int UPDATE_PERMISSIONS_REPLACE_ALL = 1<<2; 6846 6847 private void updatePermissionsLPw(String changingPkg, 6848 PackageParser.Package pkgInfo, int flags) { 6849 // Make sure there are no dangling permission trees. 6850 Iterator<BasePermission> it = mSettings.mPermissionTrees.values().iterator(); 6851 while (it.hasNext()) { 6852 final BasePermission bp = it.next(); 6853 if (bp.packageSetting == null) { 6854 // We may not yet have parsed the package, so just see if 6855 // we still know about its settings. 6856 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6857 } 6858 if (bp.packageSetting == null) { 6859 Slog.w(TAG, "Removing dangling permission tree: " + bp.name 6860 + " from package " + bp.sourcePackage); 6861 it.remove(); 6862 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6863 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6864 Slog.i(TAG, "Removing old permission tree: " + bp.name 6865 + " from package " + bp.sourcePackage); 6866 flags |= UPDATE_PERMISSIONS_ALL; 6867 it.remove(); 6868 } 6869 } 6870 } 6871 6872 // Make sure all dynamic permissions have been assigned to a package, 6873 // and make sure there are no dangling permissions. 6874 it = mSettings.mPermissions.values().iterator(); 6875 while (it.hasNext()) { 6876 final BasePermission bp = it.next(); 6877 if (bp.type == BasePermission.TYPE_DYNAMIC) { 6878 if (DEBUG_SETTINGS) Log.v(TAG, "Dynamic permission: name=" 6879 + bp.name + " pkg=" + bp.sourcePackage 6880 + " info=" + bp.pendingInfo); 6881 if (bp.packageSetting == null && bp.pendingInfo != null) { 6882 final BasePermission tree = findPermissionTreeLP(bp.name); 6883 if (tree != null && tree.perm != null) { 6884 bp.packageSetting = tree.packageSetting; 6885 bp.perm = new PackageParser.Permission(tree.perm.owner, 6886 new PermissionInfo(bp.pendingInfo)); 6887 bp.perm.info.packageName = tree.perm.info.packageName; 6888 bp.perm.info.name = bp.name; 6889 bp.uid = tree.uid; 6890 } 6891 } 6892 } 6893 if (bp.packageSetting == null) { 6894 // We may not yet have parsed the package, so just see if 6895 // we still know about its settings. 6896 bp.packageSetting = mSettings.mPackages.get(bp.sourcePackage); 6897 } 6898 if (bp.packageSetting == null) { 6899 Slog.w(TAG, "Removing dangling permission: " + bp.name 6900 + " from package " + bp.sourcePackage); 6901 it.remove(); 6902 } else if (changingPkg != null && changingPkg.equals(bp.sourcePackage)) { 6903 if (pkgInfo == null || !hasPermission(pkgInfo, bp.name)) { 6904 Slog.i(TAG, "Removing old permission: " + bp.name 6905 + " from package " + bp.sourcePackage); 6906 flags |= UPDATE_PERMISSIONS_ALL; 6907 it.remove(); 6908 } 6909 } 6910 } 6911 6912 // Now update the permissions for all packages, in particular 6913 // replace the granted permissions of the system packages. 6914 if ((flags&UPDATE_PERMISSIONS_ALL) != 0) { 6915 for (PackageParser.Package pkg : mPackages.values()) { 6916 if (pkg != pkgInfo) { 6917 grantPermissionsLPw(pkg, (flags&UPDATE_PERMISSIONS_REPLACE_ALL) != 0, 6918 changingPkg); 6919 } 6920 } 6921 } 6922 6923 if (pkgInfo != null) { 6924 grantPermissionsLPw(pkgInfo, (flags&UPDATE_PERMISSIONS_REPLACE_PKG) != 0, changingPkg); 6925 } 6926 } 6927 6928 private void grantPermissionsLPw(PackageParser.Package pkg, boolean replace, 6929 String packageOfInterest) { 6930 final PackageSetting ps = (PackageSetting) pkg.mExtras; 6931 if (ps == null) { 6932 return; 6933 } 6934 final GrantedPermissions gp = ps.sharedUser != null ? ps.sharedUser : ps; 6935 HashSet<String> origPermissions = gp.grantedPermissions; 6936 boolean changedPermission = false; 6937 6938 if (replace) { 6939 ps.permissionsFixed = false; 6940 if (gp == ps) { 6941 origPermissions = new HashSet<String>(gp.grantedPermissions); 6942 gp.grantedPermissions.clear(); 6943 gp.gids = mGlobalGids; 6944 } 6945 } 6946 6947 if (gp.gids == null) { 6948 gp.gids = mGlobalGids; 6949 } 6950 6951 final int N = pkg.requestedPermissions.size(); 6952 for (int i=0; i<N; i++) { 6953 final String name = pkg.requestedPermissions.get(i); 6954 final boolean required = pkg.requestedPermissionsRequired.get(i); 6955 final BasePermission bp = mSettings.mPermissions.get(name); 6956 if (DEBUG_INSTALL) { 6957 if (gp != ps) { 6958 Log.i(TAG, "Package " + pkg.packageName + " checking " + name + ": " + bp); 6959 } 6960 } 6961 6962 if (bp == null || bp.packageSetting == null) { 6963 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 6964 Slog.w(TAG, "Unknown permission " + name 6965 + " in package " + pkg.packageName); 6966 } 6967 continue; 6968 } 6969 6970 final String perm = bp.name; 6971 boolean allowed; 6972 boolean allowedSig = false; 6973 if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) != 0) { 6974 // Keep track of app op permissions. 6975 ArraySet<String> pkgs = mAppOpPermissionPackages.get(bp.name); 6976 if (pkgs == null) { 6977 pkgs = new ArraySet<>(); 6978 mAppOpPermissionPackages.put(bp.name, pkgs); 6979 } 6980 pkgs.add(pkg.packageName); 6981 } 6982 final int level = bp.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE; 6983 if (level == PermissionInfo.PROTECTION_NORMAL 6984 || level == PermissionInfo.PROTECTION_DANGEROUS) { 6985 // We grant a normal or dangerous permission if any of the following 6986 // are true: 6987 // 1) The permission is required 6988 // 2) The permission is optional, but was granted in the past 6989 // 3) The permission is optional, but was requested by an 6990 // app in /system (not /data) 6991 // 6992 // Otherwise, reject the permission. 6993 allowed = (required || origPermissions.contains(perm) 6994 || (isSystemApp(ps) && !isUpdatedSystemApp(ps))); 6995 } else if (bp.packageSetting == null) { 6996 // This permission is invalid; skip it. 6997 allowed = false; 6998 } else if (level == PermissionInfo.PROTECTION_SIGNATURE) { 6999 allowed = grantSignaturePermission(perm, pkg, bp, origPermissions); 7000 if (allowed) { 7001 allowedSig = true; 7002 } 7003 } else { 7004 allowed = false; 7005 } 7006 if (DEBUG_INSTALL) { 7007 if (gp != ps) { 7008 Log.i(TAG, "Package " + pkg.packageName + " granting " + perm); 7009 } 7010 } 7011 if (allowed) { 7012 if (!isSystemApp(ps) && ps.permissionsFixed) { 7013 // If this is an existing, non-system package, then 7014 // we can't add any new permissions to it. 7015 if (!allowedSig && !gp.grantedPermissions.contains(perm)) { 7016 // Except... if this is a permission that was added 7017 // to the platform (note: need to only do this when 7018 // updating the platform). 7019 allowed = isNewPlatformPermissionForPackage(perm, pkg); 7020 } 7021 } 7022 if (allowed) { 7023 if (!gp.grantedPermissions.contains(perm)) { 7024 changedPermission = true; 7025 gp.grantedPermissions.add(perm); 7026 gp.gids = appendInts(gp.gids, bp.gids); 7027 } else if (!ps.haveGids) { 7028 gp.gids = appendInts(gp.gids, bp.gids); 7029 } 7030 } else { 7031 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7032 Slog.w(TAG, "Not granting permission " + perm 7033 + " to package " + pkg.packageName 7034 + " because it was previously installed without"); 7035 } 7036 } 7037 } else { 7038 if (gp.grantedPermissions.remove(perm)) { 7039 changedPermission = true; 7040 gp.gids = removeInts(gp.gids, bp.gids); 7041 Slog.i(TAG, "Un-granting permission " + perm 7042 + " from package " + pkg.packageName 7043 + " (protectionLevel=" + bp.protectionLevel 7044 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7045 + ")"); 7046 } else if ((bp.protectionLevel&PermissionInfo.PROTECTION_FLAG_APPOP) == 0) { 7047 // Don't print warning for app op permissions, since it is fine for them 7048 // not to be granted, there is a UI for the user to decide. 7049 if (packageOfInterest == null || packageOfInterest.equals(pkg.packageName)) { 7050 Slog.w(TAG, "Not granting permission " + perm 7051 + " to package " + pkg.packageName 7052 + " (protectionLevel=" + bp.protectionLevel 7053 + " flags=0x" + Integer.toHexString(pkg.applicationInfo.flags) 7054 + ")"); 7055 } 7056 } 7057 } 7058 } 7059 7060 if ((changedPermission || replace) && !ps.permissionsFixed && 7061 !isSystemApp(ps) || isUpdatedSystemApp(ps)){ 7062 // This is the first that we have heard about this package, so the 7063 // permissions we have now selected are fixed until explicitly 7064 // changed. 7065 ps.permissionsFixed = true; 7066 } 7067 ps.haveGids = true; 7068 } 7069 7070 private boolean isNewPlatformPermissionForPackage(String perm, PackageParser.Package pkg) { 7071 boolean allowed = false; 7072 final int NP = PackageParser.NEW_PERMISSIONS.length; 7073 for (int ip=0; ip<NP; ip++) { 7074 final PackageParser.NewPermissionInfo npi 7075 = PackageParser.NEW_PERMISSIONS[ip]; 7076 if (npi.name.equals(perm) 7077 && pkg.applicationInfo.targetSdkVersion < npi.sdkVersion) { 7078 allowed = true; 7079 Log.i(TAG, "Auto-granting " + perm + " to old pkg " 7080 + pkg.packageName); 7081 break; 7082 } 7083 } 7084 return allowed; 7085 } 7086 7087 private boolean grantSignaturePermission(String perm, PackageParser.Package pkg, 7088 BasePermission bp, HashSet<String> origPermissions) { 7089 boolean allowed; 7090 allowed = (compareSignatures( 7091 bp.packageSetting.signatures.mSignatures, pkg.mSignatures) 7092 == PackageManager.SIGNATURE_MATCH) 7093 || (compareSignatures(mPlatformPackage.mSignatures, pkg.mSignatures) 7094 == PackageManager.SIGNATURE_MATCH); 7095 if (!allowed && (bp.protectionLevel 7096 & PermissionInfo.PROTECTION_FLAG_SYSTEM) != 0) { 7097 if (isSystemApp(pkg)) { 7098 // For updated system applications, a system permission 7099 // is granted only if it had been defined by the original application. 7100 if (isUpdatedSystemApp(pkg)) { 7101 final PackageSetting sysPs = mSettings 7102 .getDisabledSystemPkgLPr(pkg.packageName); 7103 final GrantedPermissions origGp = sysPs.sharedUser != null 7104 ? sysPs.sharedUser : sysPs; 7105 7106 if (origGp.grantedPermissions.contains(perm)) { 7107 // If the original was granted this permission, we take 7108 // that grant decision as read and propagate it to the 7109 // update. 7110 if (sysPs.isPrivileged()) { 7111 allowed = true; 7112 } 7113 } else { 7114 // The system apk may have been updated with an older 7115 // version of the one on the data partition, but which 7116 // granted a new system permission that it didn't have 7117 // before. In this case we do want to allow the app to 7118 // now get the new permission if the ancestral apk is 7119 // privileged to get it. 7120 if (sysPs.pkg != null && sysPs.isPrivileged()) { 7121 for (int j=0; 7122 j<sysPs.pkg.requestedPermissions.size(); j++) { 7123 if (perm.equals( 7124 sysPs.pkg.requestedPermissions.get(j))) { 7125 allowed = true; 7126 break; 7127 } 7128 } 7129 } 7130 } 7131 } else { 7132 allowed = isPrivilegedApp(pkg); 7133 } 7134 } 7135 } 7136 if (!allowed && (bp.protectionLevel 7137 & PermissionInfo.PROTECTION_FLAG_DEVELOPMENT) != 0) { 7138 // For development permissions, a development permission 7139 // is granted only if it was already granted. 7140 allowed = origPermissions.contains(perm); 7141 } 7142 return allowed; 7143 } 7144 7145 final class ActivityIntentResolver 7146 extends IntentResolver<PackageParser.ActivityIntentInfo, ResolveInfo> { 7147 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7148 boolean defaultOnly, int userId) { 7149 if (!sUserManager.exists(userId)) return null; 7150 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7151 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7152 } 7153 7154 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7155 int userId) { 7156 if (!sUserManager.exists(userId)) return null; 7157 mFlags = flags; 7158 return super.queryIntent(intent, resolvedType, 7159 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7160 } 7161 7162 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7163 int flags, ArrayList<PackageParser.Activity> packageActivities, int userId) { 7164 if (!sUserManager.exists(userId)) return null; 7165 if (packageActivities == null) { 7166 return null; 7167 } 7168 mFlags = flags; 7169 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7170 final int N = packageActivities.size(); 7171 ArrayList<PackageParser.ActivityIntentInfo[]> listCut = 7172 new ArrayList<PackageParser.ActivityIntentInfo[]>(N); 7173 7174 ArrayList<PackageParser.ActivityIntentInfo> intentFilters; 7175 for (int i = 0; i < N; ++i) { 7176 intentFilters = packageActivities.get(i).intents; 7177 if (intentFilters != null && intentFilters.size() > 0) { 7178 PackageParser.ActivityIntentInfo[] array = 7179 new PackageParser.ActivityIntentInfo[intentFilters.size()]; 7180 intentFilters.toArray(array); 7181 listCut.add(array); 7182 } 7183 } 7184 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7185 } 7186 7187 public final void addActivity(PackageParser.Activity a, String type) { 7188 final boolean systemApp = isSystemApp(a.info.applicationInfo); 7189 mActivities.put(a.getComponentName(), a); 7190 if (DEBUG_SHOW_INFO) 7191 Log.v( 7192 TAG, " " + type + " " + 7193 (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel : a.info.name) + ":"); 7194 if (DEBUG_SHOW_INFO) 7195 Log.v(TAG, " Class=" + a.info.name); 7196 final int NI = a.intents.size(); 7197 for (int j=0; j<NI; j++) { 7198 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7199 if (!systemApp && intent.getPriority() > 0 && "activity".equals(type)) { 7200 intent.setPriority(0); 7201 Log.w(TAG, "Package " + a.info.applicationInfo.packageName + " has activity " 7202 + a.className + " with priority > 0, forcing to 0"); 7203 } 7204 if (DEBUG_SHOW_INFO) { 7205 Log.v(TAG, " IntentFilter:"); 7206 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7207 } 7208 if (!intent.debugCheck()) { 7209 Log.w(TAG, "==> For Activity " + a.info.name); 7210 } 7211 addFilter(intent); 7212 } 7213 } 7214 7215 public final void removeActivity(PackageParser.Activity a, String type) { 7216 mActivities.remove(a.getComponentName()); 7217 if (DEBUG_SHOW_INFO) { 7218 Log.v(TAG, " " + type + " " 7219 + (a.info.nonLocalizedLabel != null ? a.info.nonLocalizedLabel 7220 : a.info.name) + ":"); 7221 Log.v(TAG, " Class=" + a.info.name); 7222 } 7223 final int NI = a.intents.size(); 7224 for (int j=0; j<NI; j++) { 7225 PackageParser.ActivityIntentInfo intent = a.intents.get(j); 7226 if (DEBUG_SHOW_INFO) { 7227 Log.v(TAG, " IntentFilter:"); 7228 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7229 } 7230 removeFilter(intent); 7231 } 7232 } 7233 7234 @Override 7235 protected boolean allowFilterResult( 7236 PackageParser.ActivityIntentInfo filter, List<ResolveInfo> dest) { 7237 ActivityInfo filterAi = filter.activity.info; 7238 for (int i=dest.size()-1; i>=0; i--) { 7239 ActivityInfo destAi = dest.get(i).activityInfo; 7240 if (destAi.name == filterAi.name 7241 && destAi.packageName == filterAi.packageName) { 7242 return false; 7243 } 7244 } 7245 return true; 7246 } 7247 7248 @Override 7249 protected ActivityIntentInfo[] newArray(int size) { 7250 return new ActivityIntentInfo[size]; 7251 } 7252 7253 @Override 7254 protected boolean isFilterStopped(PackageParser.ActivityIntentInfo filter, int userId) { 7255 if (!sUserManager.exists(userId)) return true; 7256 PackageParser.Package p = filter.activity.owner; 7257 if (p != null) { 7258 PackageSetting ps = (PackageSetting)p.mExtras; 7259 if (ps != null) { 7260 // System apps are never considered stopped for purposes of 7261 // filtering, because there may be no way for the user to 7262 // actually re-launch them. 7263 return (ps.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0 7264 && ps.getStopped(userId); 7265 } 7266 } 7267 return false; 7268 } 7269 7270 @Override 7271 protected boolean isPackageForFilter(String packageName, 7272 PackageParser.ActivityIntentInfo info) { 7273 return packageName.equals(info.activity.owner.packageName); 7274 } 7275 7276 @Override 7277 protected ResolveInfo newResult(PackageParser.ActivityIntentInfo info, 7278 int match, int userId) { 7279 if (!sUserManager.exists(userId)) return null; 7280 if (!mSettings.isEnabledLPr(info.activity.info, mFlags, userId)) { 7281 return null; 7282 } 7283 final PackageParser.Activity activity = info.activity; 7284 if (mSafeMode && (activity.info.applicationInfo.flags 7285 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7286 return null; 7287 } 7288 PackageSetting ps = (PackageSetting) activity.owner.mExtras; 7289 if (ps == null) { 7290 return null; 7291 } 7292 ActivityInfo ai = PackageParser.generateActivityInfo(activity, mFlags, 7293 ps.readUserState(userId), userId); 7294 if (ai == null) { 7295 return null; 7296 } 7297 final ResolveInfo res = new ResolveInfo(); 7298 res.activityInfo = ai; 7299 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7300 res.filter = info; 7301 } 7302 res.priority = info.getPriority(); 7303 res.preferredOrder = activity.owner.mPreferredOrder; 7304 //System.out.println("Result: " + res.activityInfo.className + 7305 // " = " + res.priority); 7306 res.match = match; 7307 res.isDefault = info.hasDefault; 7308 res.labelRes = info.labelRes; 7309 res.nonLocalizedLabel = info.nonLocalizedLabel; 7310 if (userNeedsBadging(userId)) { 7311 res.noResourceId = true; 7312 } else { 7313 res.icon = info.icon; 7314 } 7315 res.system = isSystemApp(res.activityInfo.applicationInfo); 7316 return res; 7317 } 7318 7319 @Override 7320 protected void sortResults(List<ResolveInfo> results) { 7321 Collections.sort(results, mResolvePrioritySorter); 7322 } 7323 7324 @Override 7325 protected void dumpFilter(PrintWriter out, String prefix, 7326 PackageParser.ActivityIntentInfo filter) { 7327 out.print(prefix); out.print( 7328 Integer.toHexString(System.identityHashCode(filter.activity))); 7329 out.print(' '); 7330 filter.activity.printComponentShortName(out); 7331 out.print(" filter "); 7332 out.println(Integer.toHexString(System.identityHashCode(filter))); 7333 } 7334 7335// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7336// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7337// final List<ResolveInfo> retList = Lists.newArrayList(); 7338// while (i.hasNext()) { 7339// final ResolveInfo resolveInfo = i.next(); 7340// if (isEnabledLP(resolveInfo.activityInfo)) { 7341// retList.add(resolveInfo); 7342// } 7343// } 7344// return retList; 7345// } 7346 7347 // Keys are String (activity class name), values are Activity. 7348 private final HashMap<ComponentName, PackageParser.Activity> mActivities 7349 = new HashMap<ComponentName, PackageParser.Activity>(); 7350 private int mFlags; 7351 } 7352 7353 private final class ServiceIntentResolver 7354 extends IntentResolver<PackageParser.ServiceIntentInfo, ResolveInfo> { 7355 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7356 boolean defaultOnly, int userId) { 7357 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7358 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7359 } 7360 7361 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7362 int userId) { 7363 if (!sUserManager.exists(userId)) return null; 7364 mFlags = flags; 7365 return super.queryIntent(intent, resolvedType, 7366 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7367 } 7368 7369 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7370 int flags, ArrayList<PackageParser.Service> packageServices, int userId) { 7371 if (!sUserManager.exists(userId)) return null; 7372 if (packageServices == null) { 7373 return null; 7374 } 7375 mFlags = flags; 7376 final boolean defaultOnly = (flags&PackageManager.MATCH_DEFAULT_ONLY) != 0; 7377 final int N = packageServices.size(); 7378 ArrayList<PackageParser.ServiceIntentInfo[]> listCut = 7379 new ArrayList<PackageParser.ServiceIntentInfo[]>(N); 7380 7381 ArrayList<PackageParser.ServiceIntentInfo> intentFilters; 7382 for (int i = 0; i < N; ++i) { 7383 intentFilters = packageServices.get(i).intents; 7384 if (intentFilters != null && intentFilters.size() > 0) { 7385 PackageParser.ServiceIntentInfo[] array = 7386 new PackageParser.ServiceIntentInfo[intentFilters.size()]; 7387 intentFilters.toArray(array); 7388 listCut.add(array); 7389 } 7390 } 7391 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7392 } 7393 7394 public final void addService(PackageParser.Service s) { 7395 mServices.put(s.getComponentName(), s); 7396 if (DEBUG_SHOW_INFO) { 7397 Log.v(TAG, " " 7398 + (s.info.nonLocalizedLabel != null 7399 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7400 Log.v(TAG, " Class=" + s.info.name); 7401 } 7402 final int NI = s.intents.size(); 7403 int j; 7404 for (j=0; j<NI; j++) { 7405 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7406 if (DEBUG_SHOW_INFO) { 7407 Log.v(TAG, " IntentFilter:"); 7408 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7409 } 7410 if (!intent.debugCheck()) { 7411 Log.w(TAG, "==> For Service " + s.info.name); 7412 } 7413 addFilter(intent); 7414 } 7415 } 7416 7417 public final void removeService(PackageParser.Service s) { 7418 mServices.remove(s.getComponentName()); 7419 if (DEBUG_SHOW_INFO) { 7420 Log.v(TAG, " " + (s.info.nonLocalizedLabel != null 7421 ? s.info.nonLocalizedLabel : s.info.name) + ":"); 7422 Log.v(TAG, " Class=" + s.info.name); 7423 } 7424 final int NI = s.intents.size(); 7425 int j; 7426 for (j=0; j<NI; j++) { 7427 PackageParser.ServiceIntentInfo intent = s.intents.get(j); 7428 if (DEBUG_SHOW_INFO) { 7429 Log.v(TAG, " IntentFilter:"); 7430 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7431 } 7432 removeFilter(intent); 7433 } 7434 } 7435 7436 @Override 7437 protected boolean allowFilterResult( 7438 PackageParser.ServiceIntentInfo filter, List<ResolveInfo> dest) { 7439 ServiceInfo filterSi = filter.service.info; 7440 for (int i=dest.size()-1; i>=0; i--) { 7441 ServiceInfo destAi = dest.get(i).serviceInfo; 7442 if (destAi.name == filterSi.name 7443 && destAi.packageName == filterSi.packageName) { 7444 return false; 7445 } 7446 } 7447 return true; 7448 } 7449 7450 @Override 7451 protected PackageParser.ServiceIntentInfo[] newArray(int size) { 7452 return new PackageParser.ServiceIntentInfo[size]; 7453 } 7454 7455 @Override 7456 protected boolean isFilterStopped(PackageParser.ServiceIntentInfo filter, int userId) { 7457 if (!sUserManager.exists(userId)) return true; 7458 PackageParser.Package p = filter.service.owner; 7459 if (p != null) { 7460 PackageSetting ps = (PackageSetting)p.mExtras; 7461 if (ps != null) { 7462 // System apps are never considered stopped for purposes of 7463 // filtering, because there may be no way for the user to 7464 // actually re-launch them. 7465 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7466 && ps.getStopped(userId); 7467 } 7468 } 7469 return false; 7470 } 7471 7472 @Override 7473 protected boolean isPackageForFilter(String packageName, 7474 PackageParser.ServiceIntentInfo info) { 7475 return packageName.equals(info.service.owner.packageName); 7476 } 7477 7478 @Override 7479 protected ResolveInfo newResult(PackageParser.ServiceIntentInfo filter, 7480 int match, int userId) { 7481 if (!sUserManager.exists(userId)) return null; 7482 final PackageParser.ServiceIntentInfo info = (PackageParser.ServiceIntentInfo)filter; 7483 if (!mSettings.isEnabledLPr(info.service.info, mFlags, userId)) { 7484 return null; 7485 } 7486 final PackageParser.Service service = info.service; 7487 if (mSafeMode && (service.info.applicationInfo.flags 7488 &ApplicationInfo.FLAG_SYSTEM) == 0) { 7489 return null; 7490 } 7491 PackageSetting ps = (PackageSetting) service.owner.mExtras; 7492 if (ps == null) { 7493 return null; 7494 } 7495 ServiceInfo si = PackageParser.generateServiceInfo(service, mFlags, 7496 ps.readUserState(userId), userId); 7497 if (si == null) { 7498 return null; 7499 } 7500 final ResolveInfo res = new ResolveInfo(); 7501 res.serviceInfo = si; 7502 if ((mFlags&PackageManager.GET_RESOLVED_FILTER) != 0) { 7503 res.filter = filter; 7504 } 7505 res.priority = info.getPriority(); 7506 res.preferredOrder = service.owner.mPreferredOrder; 7507 //System.out.println("Result: " + res.activityInfo.className + 7508 // " = " + res.priority); 7509 res.match = match; 7510 res.isDefault = info.hasDefault; 7511 res.labelRes = info.labelRes; 7512 res.nonLocalizedLabel = info.nonLocalizedLabel; 7513 res.icon = info.icon; 7514 res.system = isSystemApp(res.serviceInfo.applicationInfo); 7515 return res; 7516 } 7517 7518 @Override 7519 protected void sortResults(List<ResolveInfo> results) { 7520 Collections.sort(results, mResolvePrioritySorter); 7521 } 7522 7523 @Override 7524 protected void dumpFilter(PrintWriter out, String prefix, 7525 PackageParser.ServiceIntentInfo filter) { 7526 out.print(prefix); out.print( 7527 Integer.toHexString(System.identityHashCode(filter.service))); 7528 out.print(' '); 7529 filter.service.printComponentShortName(out); 7530 out.print(" filter "); 7531 out.println(Integer.toHexString(System.identityHashCode(filter))); 7532 } 7533 7534// List<ResolveInfo> filterEnabled(List<ResolveInfo> resolveInfoList) { 7535// final Iterator<ResolveInfo> i = resolveInfoList.iterator(); 7536// final List<ResolveInfo> retList = Lists.newArrayList(); 7537// while (i.hasNext()) { 7538// final ResolveInfo resolveInfo = (ResolveInfo) i; 7539// if (isEnabledLP(resolveInfo.serviceInfo)) { 7540// retList.add(resolveInfo); 7541// } 7542// } 7543// return retList; 7544// } 7545 7546 // Keys are String (activity class name), values are Activity. 7547 private final HashMap<ComponentName, PackageParser.Service> mServices 7548 = new HashMap<ComponentName, PackageParser.Service>(); 7549 private int mFlags; 7550 }; 7551 7552 private final class ProviderIntentResolver 7553 extends IntentResolver<PackageParser.ProviderIntentInfo, ResolveInfo> { 7554 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, 7555 boolean defaultOnly, int userId) { 7556 mFlags = defaultOnly ? PackageManager.MATCH_DEFAULT_ONLY : 0; 7557 return super.queryIntent(intent, resolvedType, defaultOnly, userId); 7558 } 7559 7560 public List<ResolveInfo> queryIntent(Intent intent, String resolvedType, int flags, 7561 int userId) { 7562 if (!sUserManager.exists(userId)) 7563 return null; 7564 mFlags = flags; 7565 return super.queryIntent(intent, resolvedType, 7566 (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0, userId); 7567 } 7568 7569 public List<ResolveInfo> queryIntentForPackage(Intent intent, String resolvedType, 7570 int flags, ArrayList<PackageParser.Provider> packageProviders, int userId) { 7571 if (!sUserManager.exists(userId)) 7572 return null; 7573 if (packageProviders == null) { 7574 return null; 7575 } 7576 mFlags = flags; 7577 final boolean defaultOnly = (flags & PackageManager.MATCH_DEFAULT_ONLY) != 0; 7578 final int N = packageProviders.size(); 7579 ArrayList<PackageParser.ProviderIntentInfo[]> listCut = 7580 new ArrayList<PackageParser.ProviderIntentInfo[]>(N); 7581 7582 ArrayList<PackageParser.ProviderIntentInfo> intentFilters; 7583 for (int i = 0; i < N; ++i) { 7584 intentFilters = packageProviders.get(i).intents; 7585 if (intentFilters != null && intentFilters.size() > 0) { 7586 PackageParser.ProviderIntentInfo[] array = 7587 new PackageParser.ProviderIntentInfo[intentFilters.size()]; 7588 intentFilters.toArray(array); 7589 listCut.add(array); 7590 } 7591 } 7592 return super.queryIntentFromList(intent, resolvedType, defaultOnly, listCut, userId); 7593 } 7594 7595 public final void addProvider(PackageParser.Provider p) { 7596 if (mProviders.containsKey(p.getComponentName())) { 7597 Slog.w(TAG, "Provider " + p.getComponentName() + " already defined; ignoring"); 7598 return; 7599 } 7600 7601 mProviders.put(p.getComponentName(), p); 7602 if (DEBUG_SHOW_INFO) { 7603 Log.v(TAG, " " 7604 + (p.info.nonLocalizedLabel != null 7605 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7606 Log.v(TAG, " Class=" + p.info.name); 7607 } 7608 final int NI = p.intents.size(); 7609 int j; 7610 for (j = 0; j < NI; j++) { 7611 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7612 if (DEBUG_SHOW_INFO) { 7613 Log.v(TAG, " IntentFilter:"); 7614 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7615 } 7616 if (!intent.debugCheck()) { 7617 Log.w(TAG, "==> For Provider " + p.info.name); 7618 } 7619 addFilter(intent); 7620 } 7621 } 7622 7623 public final void removeProvider(PackageParser.Provider p) { 7624 mProviders.remove(p.getComponentName()); 7625 if (DEBUG_SHOW_INFO) { 7626 Log.v(TAG, " " + (p.info.nonLocalizedLabel != null 7627 ? p.info.nonLocalizedLabel : p.info.name) + ":"); 7628 Log.v(TAG, " Class=" + p.info.name); 7629 } 7630 final int NI = p.intents.size(); 7631 int j; 7632 for (j = 0; j < NI; j++) { 7633 PackageParser.ProviderIntentInfo intent = p.intents.get(j); 7634 if (DEBUG_SHOW_INFO) { 7635 Log.v(TAG, " IntentFilter:"); 7636 intent.dump(new LogPrinter(Log.VERBOSE, TAG), " "); 7637 } 7638 removeFilter(intent); 7639 } 7640 } 7641 7642 @Override 7643 protected boolean allowFilterResult( 7644 PackageParser.ProviderIntentInfo filter, List<ResolveInfo> dest) { 7645 ProviderInfo filterPi = filter.provider.info; 7646 for (int i = dest.size() - 1; i >= 0; i--) { 7647 ProviderInfo destPi = dest.get(i).providerInfo; 7648 if (destPi.name == filterPi.name 7649 && destPi.packageName == filterPi.packageName) { 7650 return false; 7651 } 7652 } 7653 return true; 7654 } 7655 7656 @Override 7657 protected PackageParser.ProviderIntentInfo[] newArray(int size) { 7658 return new PackageParser.ProviderIntentInfo[size]; 7659 } 7660 7661 @Override 7662 protected boolean isFilterStopped(PackageParser.ProviderIntentInfo filter, int userId) { 7663 if (!sUserManager.exists(userId)) 7664 return true; 7665 PackageParser.Package p = filter.provider.owner; 7666 if (p != null) { 7667 PackageSetting ps = (PackageSetting) p.mExtras; 7668 if (ps != null) { 7669 // System apps are never considered stopped for purposes of 7670 // filtering, because there may be no way for the user to 7671 // actually re-launch them. 7672 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) == 0 7673 && ps.getStopped(userId); 7674 } 7675 } 7676 return false; 7677 } 7678 7679 @Override 7680 protected boolean isPackageForFilter(String packageName, 7681 PackageParser.ProviderIntentInfo info) { 7682 return packageName.equals(info.provider.owner.packageName); 7683 } 7684 7685 @Override 7686 protected ResolveInfo newResult(PackageParser.ProviderIntentInfo filter, 7687 int match, int userId) { 7688 if (!sUserManager.exists(userId)) 7689 return null; 7690 final PackageParser.ProviderIntentInfo info = filter; 7691 if (!mSettings.isEnabledLPr(info.provider.info, mFlags, userId)) { 7692 return null; 7693 } 7694 final PackageParser.Provider provider = info.provider; 7695 if (mSafeMode && (provider.info.applicationInfo.flags 7696 & ApplicationInfo.FLAG_SYSTEM) == 0) { 7697 return null; 7698 } 7699 PackageSetting ps = (PackageSetting) provider.owner.mExtras; 7700 if (ps == null) { 7701 return null; 7702 } 7703 ProviderInfo pi = PackageParser.generateProviderInfo(provider, mFlags, 7704 ps.readUserState(userId), userId); 7705 if (pi == null) { 7706 return null; 7707 } 7708 final ResolveInfo res = new ResolveInfo(); 7709 res.providerInfo = pi; 7710 if ((mFlags & PackageManager.GET_RESOLVED_FILTER) != 0) { 7711 res.filter = filter; 7712 } 7713 res.priority = info.getPriority(); 7714 res.preferredOrder = provider.owner.mPreferredOrder; 7715 res.match = match; 7716 res.isDefault = info.hasDefault; 7717 res.labelRes = info.labelRes; 7718 res.nonLocalizedLabel = info.nonLocalizedLabel; 7719 res.icon = info.icon; 7720 res.system = isSystemApp(res.providerInfo.applicationInfo); 7721 return res; 7722 } 7723 7724 @Override 7725 protected void sortResults(List<ResolveInfo> results) { 7726 Collections.sort(results, mResolvePrioritySorter); 7727 } 7728 7729 @Override 7730 protected void dumpFilter(PrintWriter out, String prefix, 7731 PackageParser.ProviderIntentInfo filter) { 7732 out.print(prefix); 7733 out.print( 7734 Integer.toHexString(System.identityHashCode(filter.provider))); 7735 out.print(' '); 7736 filter.provider.printComponentShortName(out); 7737 out.print(" filter "); 7738 out.println(Integer.toHexString(System.identityHashCode(filter))); 7739 } 7740 7741 private final HashMap<ComponentName, PackageParser.Provider> mProviders 7742 = new HashMap<ComponentName, PackageParser.Provider>(); 7743 private int mFlags; 7744 }; 7745 7746 private static final Comparator<ResolveInfo> mResolvePrioritySorter = 7747 new Comparator<ResolveInfo>() { 7748 public int compare(ResolveInfo r1, ResolveInfo r2) { 7749 int v1 = r1.priority; 7750 int v2 = r2.priority; 7751 //System.out.println("Comparing: q1=" + q1 + " q2=" + q2); 7752 if (v1 != v2) { 7753 return (v1 > v2) ? -1 : 1; 7754 } 7755 v1 = r1.preferredOrder; 7756 v2 = r2.preferredOrder; 7757 if (v1 != v2) { 7758 return (v1 > v2) ? -1 : 1; 7759 } 7760 if (r1.isDefault != r2.isDefault) { 7761 return r1.isDefault ? -1 : 1; 7762 } 7763 v1 = r1.match; 7764 v2 = r2.match; 7765 //System.out.println("Comparing: m1=" + m1 + " m2=" + m2); 7766 if (v1 != v2) { 7767 return (v1 > v2) ? -1 : 1; 7768 } 7769 if (r1.system != r2.system) { 7770 return r1.system ? -1 : 1; 7771 } 7772 return 0; 7773 } 7774 }; 7775 7776 private static final Comparator<ProviderInfo> mProviderInitOrderSorter = 7777 new Comparator<ProviderInfo>() { 7778 public int compare(ProviderInfo p1, ProviderInfo p2) { 7779 final int v1 = p1.initOrder; 7780 final int v2 = p2.initOrder; 7781 return (v1 > v2) ? -1 : ((v1 < v2) ? 1 : 0); 7782 } 7783 }; 7784 7785 static final void sendPackageBroadcast(String action, String pkg, 7786 Bundle extras, String targetPkg, IIntentReceiver finishedReceiver, 7787 int[] userIds) { 7788 IActivityManager am = ActivityManagerNative.getDefault(); 7789 if (am != null) { 7790 try { 7791 if (userIds == null) { 7792 userIds = am.getRunningUserIds(); 7793 } 7794 for (int id : userIds) { 7795 final Intent intent = new Intent(action, 7796 pkg != null ? Uri.fromParts("package", pkg, null) : null); 7797 if (extras != null) { 7798 intent.putExtras(extras); 7799 } 7800 if (targetPkg != null) { 7801 intent.setPackage(targetPkg); 7802 } 7803 // Modify the UID when posting to other users 7804 int uid = intent.getIntExtra(Intent.EXTRA_UID, -1); 7805 if (uid > 0 && UserHandle.getUserId(uid) != id) { 7806 uid = UserHandle.getUid(id, UserHandle.getAppId(uid)); 7807 intent.putExtra(Intent.EXTRA_UID, uid); 7808 } 7809 intent.putExtra(Intent.EXTRA_USER_HANDLE, id); 7810 intent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY_BEFORE_BOOT); 7811 if (DEBUG_BROADCASTS) { 7812 RuntimeException here = new RuntimeException("here"); 7813 here.fillInStackTrace(); 7814 Slog.d(TAG, "Sending to user " + id + ": " 7815 + intent.toShortString(false, true, false, false) 7816 + " " + intent.getExtras(), here); 7817 } 7818 am.broadcastIntent(null, intent, null, finishedReceiver, 7819 0, null, null, null, android.app.AppOpsManager.OP_NONE, 7820 finishedReceiver != null, false, id); 7821 } 7822 } catch (RemoteException ex) { 7823 } 7824 } 7825 } 7826 7827 /** 7828 * Check if the external storage media is available. This is true if there 7829 * is a mounted external storage medium or if the external storage is 7830 * emulated. 7831 */ 7832 private boolean isExternalMediaAvailable() { 7833 return mMediaMounted || Environment.isExternalStorageEmulated(); 7834 } 7835 7836 @Override 7837 public PackageCleanItem nextPackageToClean(PackageCleanItem lastPackage) { 7838 // writer 7839 synchronized (mPackages) { 7840 if (!isExternalMediaAvailable()) { 7841 // If the external storage is no longer mounted at this point, 7842 // the caller may not have been able to delete all of this 7843 // packages files and can not delete any more. Bail. 7844 return null; 7845 } 7846 final ArrayList<PackageCleanItem> pkgs = mSettings.mPackagesToBeCleaned; 7847 if (lastPackage != null) { 7848 pkgs.remove(lastPackage); 7849 } 7850 if (pkgs.size() > 0) { 7851 return pkgs.get(0); 7852 } 7853 } 7854 return null; 7855 } 7856 7857 void schedulePackageCleaning(String packageName, int userId, boolean andCode) { 7858 final Message msg = mHandler.obtainMessage(START_CLEANING_PACKAGE, 7859 userId, andCode ? 1 : 0, packageName); 7860 if (mSystemReady) { 7861 msg.sendToTarget(); 7862 } else { 7863 if (mPostSystemReadyMessages == null) { 7864 mPostSystemReadyMessages = new ArrayList<>(); 7865 } 7866 mPostSystemReadyMessages.add(msg); 7867 } 7868 } 7869 7870 void startCleaningPackages() { 7871 // reader 7872 synchronized (mPackages) { 7873 if (!isExternalMediaAvailable()) { 7874 return; 7875 } 7876 if (mSettings.mPackagesToBeCleaned.isEmpty()) { 7877 return; 7878 } 7879 } 7880 Intent intent = new Intent(PackageManager.ACTION_CLEAN_EXTERNAL_STORAGE); 7881 intent.setComponent(DEFAULT_CONTAINER_COMPONENT); 7882 IActivityManager am = ActivityManagerNative.getDefault(); 7883 if (am != null) { 7884 try { 7885 am.startService(null, intent, null, UserHandle.USER_OWNER); 7886 } catch (RemoteException e) { 7887 } 7888 } 7889 } 7890 7891 @Override 7892 public void installPackage(String originPath, IPackageInstallObserver2 observer, 7893 int installFlags, String installerPackageName, VerificationParams verificationParams, 7894 String packageAbiOverride) { 7895 installPackageAsUser(originPath, observer, installFlags, installerPackageName, verificationParams, 7896 packageAbiOverride, UserHandle.getCallingUserId()); 7897 } 7898 7899 @Override 7900 public void installPackageAsUser(String originPath, IPackageInstallObserver2 observer, 7901 int installFlags, String installerPackageName, VerificationParams verificationParams, 7902 String packageAbiOverride, int userId) { 7903 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, null); 7904 7905 final int callingUid = Binder.getCallingUid(); 7906 enforceCrossUserPermission(callingUid, userId, true, true, "installPackageAsUser"); 7907 7908 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 7909 try { 7910 if (observer != null) { 7911 observer.onPackageInstalled("", INSTALL_FAILED_USER_RESTRICTED, null, null); 7912 } 7913 } catch (RemoteException re) { 7914 } 7915 return; 7916 } 7917 7918 if ((callingUid == Process.SHELL_UID) || (callingUid == Process.ROOT_UID)) { 7919 installFlags |= PackageManager.INSTALL_FROM_ADB; 7920 7921 } else { 7922 // Caller holds INSTALL_PACKAGES permission, so we're less strict 7923 // about installerPackageName. 7924 7925 installFlags &= ~PackageManager.INSTALL_FROM_ADB; 7926 installFlags &= ~PackageManager.INSTALL_ALL_USERS; 7927 } 7928 7929 UserHandle user; 7930 if ((installFlags & PackageManager.INSTALL_ALL_USERS) != 0) { 7931 user = UserHandle.ALL; 7932 } else { 7933 user = new UserHandle(userId); 7934 } 7935 7936 verificationParams.setInstallerUid(callingUid); 7937 7938 final File originFile = new File(originPath); 7939 final OriginInfo origin = OriginInfo.fromUntrustedFile(originFile); 7940 7941 final Message msg = mHandler.obtainMessage(INIT_COPY); 7942 msg.obj = new InstallParams(origin, observer, installFlags, 7943 installerPackageName, verificationParams, user, packageAbiOverride); 7944 mHandler.sendMessage(msg); 7945 } 7946 7947 void installStage(String packageName, File stagedDir, String stagedCid, 7948 IPackageInstallObserver2 observer, PackageInstaller.SessionParams params, 7949 String installerPackageName, int installerUid, UserHandle user) { 7950 final VerificationParams verifParams = new VerificationParams(null, params.originatingUri, 7951 params.referrerUri, installerUid, null); 7952 7953 final OriginInfo origin; 7954 if (stagedDir != null) { 7955 origin = OriginInfo.fromStagedFile(stagedDir); 7956 } else { 7957 origin = OriginInfo.fromStagedContainer(stagedCid); 7958 } 7959 7960 final Message msg = mHandler.obtainMessage(INIT_COPY); 7961 msg.obj = new InstallParams(origin, observer, params.installFlags, 7962 installerPackageName, verifParams, user, params.abiOverride); 7963 mHandler.sendMessage(msg); 7964 } 7965 7966 private void sendPackageAddedForUser(String packageName, PackageSetting pkgSetting, int userId) { 7967 Bundle extras = new Bundle(1); 7968 extras.putInt(Intent.EXTRA_UID, UserHandle.getUid(userId, pkgSetting.appId)); 7969 7970 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, 7971 packageName, extras, null, null, new int[] {userId}); 7972 try { 7973 IActivityManager am = ActivityManagerNative.getDefault(); 7974 final boolean isSystem = 7975 isSystemApp(pkgSetting) || isUpdatedSystemApp(pkgSetting); 7976 if (isSystem && am.isUserRunning(userId, false)) { 7977 // The just-installed/enabled app is bundled on the system, so presumed 7978 // to be able to run automatically without needing an explicit launch. 7979 // Send it a BOOT_COMPLETED if it would ordinarily have gotten one. 7980 Intent bcIntent = new Intent(Intent.ACTION_BOOT_COMPLETED) 7981 .addFlags(Intent.FLAG_INCLUDE_STOPPED_PACKAGES) 7982 .setPackage(packageName); 7983 am.broadcastIntent(null, bcIntent, null, null, 0, null, null, null, 7984 android.app.AppOpsManager.OP_NONE, false, false, userId); 7985 } 7986 } catch (RemoteException e) { 7987 // shouldn't happen 7988 Slog.w(TAG, "Unable to bootstrap installed package", e); 7989 } 7990 } 7991 7992 @Override 7993 public boolean setApplicationHiddenSettingAsUser(String packageName, boolean hidden, 7994 int userId) { 7995 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 7996 PackageSetting pkgSetting; 7997 final int uid = Binder.getCallingUid(); 7998 enforceCrossUserPermission(uid, userId, true, true, 7999 "setApplicationHiddenSetting for user " + userId); 8000 8001 if (hidden && isPackageDeviceAdmin(packageName, userId)) { 8002 Slog.w(TAG, "Not hiding package " + packageName + ": has active device admin"); 8003 return false; 8004 } 8005 8006 long callingId = Binder.clearCallingIdentity(); 8007 try { 8008 boolean sendAdded = false; 8009 boolean sendRemoved = false; 8010 // writer 8011 synchronized (mPackages) { 8012 pkgSetting = mSettings.mPackages.get(packageName); 8013 if (pkgSetting == null) { 8014 return false; 8015 } 8016 if (pkgSetting.getHidden(userId) != hidden) { 8017 pkgSetting.setHidden(hidden, userId); 8018 mSettings.writePackageRestrictionsLPr(userId); 8019 if (hidden) { 8020 sendRemoved = true; 8021 } else { 8022 sendAdded = true; 8023 } 8024 } 8025 } 8026 if (sendAdded) { 8027 sendPackageAddedForUser(packageName, pkgSetting, userId); 8028 return true; 8029 } 8030 if (sendRemoved) { 8031 killApplication(packageName, UserHandle.getUid(userId, pkgSetting.appId), 8032 "hiding pkg"); 8033 sendApplicationHiddenForUser(packageName, pkgSetting, userId); 8034 } 8035 } finally { 8036 Binder.restoreCallingIdentity(callingId); 8037 } 8038 return false; 8039 } 8040 8041 private void sendApplicationHiddenForUser(String packageName, PackageSetting pkgSetting, 8042 int userId) { 8043 final PackageRemovedInfo info = new PackageRemovedInfo(); 8044 info.removedPackage = packageName; 8045 info.removedUsers = new int[] {userId}; 8046 info.uid = UserHandle.getUid(userId, pkgSetting.appId); 8047 info.sendBroadcast(false, false, false); 8048 } 8049 8050 /** 8051 * Returns true if application is not found or there was an error. Otherwise it returns 8052 * the hidden state of the package for the given user. 8053 */ 8054 @Override 8055 public boolean getApplicationHiddenSettingAsUser(String packageName, int userId) { 8056 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MANAGE_USERS, null); 8057 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, 8058 false, "getApplicationHidden for user " + userId); 8059 PackageSetting pkgSetting; 8060 long callingId = Binder.clearCallingIdentity(); 8061 try { 8062 // writer 8063 synchronized (mPackages) { 8064 pkgSetting = mSettings.mPackages.get(packageName); 8065 if (pkgSetting == null) { 8066 return true; 8067 } 8068 return pkgSetting.getHidden(userId); 8069 } 8070 } finally { 8071 Binder.restoreCallingIdentity(callingId); 8072 } 8073 } 8074 8075 /** 8076 * @hide 8077 */ 8078 @Override 8079 public int installExistingPackageAsUser(String packageName, int userId) { 8080 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.INSTALL_PACKAGES, 8081 null); 8082 PackageSetting pkgSetting; 8083 final int uid = Binder.getCallingUid(); 8084 enforceCrossUserPermission(uid, userId, true, true, "installExistingPackage for user " 8085 + userId); 8086 if (isUserRestricted(userId, UserManager.DISALLOW_INSTALL_APPS)) { 8087 return PackageManager.INSTALL_FAILED_USER_RESTRICTED; 8088 } 8089 8090 long callingId = Binder.clearCallingIdentity(); 8091 try { 8092 boolean sendAdded = false; 8093 Bundle extras = new Bundle(1); 8094 8095 // writer 8096 synchronized (mPackages) { 8097 pkgSetting = mSettings.mPackages.get(packageName); 8098 if (pkgSetting == null) { 8099 return PackageManager.INSTALL_FAILED_INVALID_URI; 8100 } 8101 if (!pkgSetting.getInstalled(userId)) { 8102 pkgSetting.setInstalled(true, userId); 8103 pkgSetting.setHidden(false, userId); 8104 mSettings.writePackageRestrictionsLPr(userId); 8105 sendAdded = true; 8106 } 8107 } 8108 8109 if (sendAdded) { 8110 sendPackageAddedForUser(packageName, pkgSetting, userId); 8111 } 8112 } finally { 8113 Binder.restoreCallingIdentity(callingId); 8114 } 8115 8116 return PackageManager.INSTALL_SUCCEEDED; 8117 } 8118 8119 boolean isUserRestricted(int userId, String restrictionKey) { 8120 Bundle restrictions = sUserManager.getUserRestrictions(userId); 8121 if (restrictions.getBoolean(restrictionKey, false)) { 8122 Log.w(TAG, "User is restricted: " + restrictionKey); 8123 return true; 8124 } 8125 return false; 8126 } 8127 8128 @Override 8129 public void verifyPendingInstall(int id, int verificationCode) throws RemoteException { 8130 mContext.enforceCallingOrSelfPermission( 8131 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8132 "Only package verification agents can verify applications"); 8133 8134 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8135 final PackageVerificationResponse response = new PackageVerificationResponse( 8136 verificationCode, Binder.getCallingUid()); 8137 msg.arg1 = id; 8138 msg.obj = response; 8139 mHandler.sendMessage(msg); 8140 } 8141 8142 @Override 8143 public void extendVerificationTimeout(int id, int verificationCodeAtTimeout, 8144 long millisecondsToDelay) { 8145 mContext.enforceCallingOrSelfPermission( 8146 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 8147 "Only package verification agents can extend verification timeouts"); 8148 8149 final PackageVerificationState state = mPendingVerification.get(id); 8150 final PackageVerificationResponse response = new PackageVerificationResponse( 8151 verificationCodeAtTimeout, Binder.getCallingUid()); 8152 8153 if (millisecondsToDelay > PackageManager.MAXIMUM_VERIFICATION_TIMEOUT) { 8154 millisecondsToDelay = PackageManager.MAXIMUM_VERIFICATION_TIMEOUT; 8155 } 8156 if (millisecondsToDelay < 0) { 8157 millisecondsToDelay = 0; 8158 } 8159 if ((verificationCodeAtTimeout != PackageManager.VERIFICATION_ALLOW) 8160 && (verificationCodeAtTimeout != PackageManager.VERIFICATION_REJECT)) { 8161 verificationCodeAtTimeout = PackageManager.VERIFICATION_REJECT; 8162 } 8163 8164 if ((state != null) && !state.timeoutExtended()) { 8165 state.extendTimeout(); 8166 8167 final Message msg = mHandler.obtainMessage(PACKAGE_VERIFIED); 8168 msg.arg1 = id; 8169 msg.obj = response; 8170 mHandler.sendMessageDelayed(msg, millisecondsToDelay); 8171 } 8172 } 8173 8174 private void broadcastPackageVerified(int verificationId, Uri packageUri, 8175 int verificationCode, UserHandle user) { 8176 final Intent intent = new Intent(Intent.ACTION_PACKAGE_VERIFIED); 8177 intent.setDataAndType(packageUri, PACKAGE_MIME_TYPE); 8178 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8179 intent.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8180 intent.putExtra(PackageManager.EXTRA_VERIFICATION_RESULT, verificationCode); 8181 8182 mContext.sendBroadcastAsUser(intent, user, 8183 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT); 8184 } 8185 8186 private ComponentName matchComponentForVerifier(String packageName, 8187 List<ResolveInfo> receivers) { 8188 ActivityInfo targetReceiver = null; 8189 8190 final int NR = receivers.size(); 8191 for (int i = 0; i < NR; i++) { 8192 final ResolveInfo info = receivers.get(i); 8193 if (info.activityInfo == null) { 8194 continue; 8195 } 8196 8197 if (packageName.equals(info.activityInfo.packageName)) { 8198 targetReceiver = info.activityInfo; 8199 break; 8200 } 8201 } 8202 8203 if (targetReceiver == null) { 8204 return null; 8205 } 8206 8207 return new ComponentName(targetReceiver.packageName, targetReceiver.name); 8208 } 8209 8210 private List<ComponentName> matchVerifiers(PackageInfoLite pkgInfo, 8211 List<ResolveInfo> receivers, final PackageVerificationState verificationState) { 8212 if (pkgInfo.verifiers.length == 0) { 8213 return null; 8214 } 8215 8216 final int N = pkgInfo.verifiers.length; 8217 final List<ComponentName> sufficientVerifiers = new ArrayList<ComponentName>(N + 1); 8218 for (int i = 0; i < N; i++) { 8219 final VerifierInfo verifierInfo = pkgInfo.verifiers[i]; 8220 8221 final ComponentName comp = matchComponentForVerifier(verifierInfo.packageName, 8222 receivers); 8223 if (comp == null) { 8224 continue; 8225 } 8226 8227 final int verifierUid = getUidForVerifier(verifierInfo); 8228 if (verifierUid == -1) { 8229 continue; 8230 } 8231 8232 if (DEBUG_VERIFY) { 8233 Slog.d(TAG, "Added sufficient verifier " + verifierInfo.packageName 8234 + " with the correct signature"); 8235 } 8236 sufficientVerifiers.add(comp); 8237 verificationState.addSufficientVerifier(verifierUid); 8238 } 8239 8240 return sufficientVerifiers; 8241 } 8242 8243 private int getUidForVerifier(VerifierInfo verifierInfo) { 8244 synchronized (mPackages) { 8245 final PackageParser.Package pkg = mPackages.get(verifierInfo.packageName); 8246 if (pkg == null) { 8247 return -1; 8248 } else if (pkg.mSignatures.length != 1) { 8249 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8250 + " has more than one signature; ignoring"); 8251 return -1; 8252 } 8253 8254 /* 8255 * If the public key of the package's signature does not match 8256 * our expected public key, then this is a different package and 8257 * we should skip. 8258 */ 8259 8260 final byte[] expectedPublicKey; 8261 try { 8262 final Signature verifierSig = pkg.mSignatures[0]; 8263 final PublicKey publicKey = verifierSig.getPublicKey(); 8264 expectedPublicKey = publicKey.getEncoded(); 8265 } catch (CertificateException e) { 8266 return -1; 8267 } 8268 8269 final byte[] actualPublicKey = verifierInfo.publicKey.getEncoded(); 8270 8271 if (!Arrays.equals(actualPublicKey, expectedPublicKey)) { 8272 Slog.i(TAG, "Verifier package " + verifierInfo.packageName 8273 + " does not have the expected public key; ignoring"); 8274 return -1; 8275 } 8276 8277 return pkg.applicationInfo.uid; 8278 } 8279 } 8280 8281 @Override 8282 public void finishPackageInstall(int token) { 8283 enforceSystemOrRoot("Only the system is allowed to finish installs"); 8284 8285 if (DEBUG_INSTALL) { 8286 Slog.v(TAG, "BM finishing package install for " + token); 8287 } 8288 8289 final Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8290 mHandler.sendMessage(msg); 8291 } 8292 8293 /** 8294 * Get the verification agent timeout. 8295 * 8296 * @return verification timeout in milliseconds 8297 */ 8298 private long getVerificationTimeout() { 8299 return android.provider.Settings.Global.getLong(mContext.getContentResolver(), 8300 android.provider.Settings.Global.PACKAGE_VERIFIER_TIMEOUT, 8301 DEFAULT_VERIFICATION_TIMEOUT); 8302 } 8303 8304 /** 8305 * Get the default verification agent response code. 8306 * 8307 * @return default verification response code 8308 */ 8309 private int getDefaultVerificationResponse() { 8310 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8311 android.provider.Settings.Global.PACKAGE_VERIFIER_DEFAULT_RESPONSE, 8312 DEFAULT_VERIFICATION_RESPONSE); 8313 } 8314 8315 /** 8316 * Check whether or not package verification has been enabled. 8317 * 8318 * @return true if verification should be performed 8319 */ 8320 private boolean isVerificationEnabled(int userId, int installFlags) { 8321 if (!DEFAULT_VERIFY_ENABLE) { 8322 return false; 8323 } 8324 8325 boolean ensureVerifyAppsEnabled = isUserRestricted(userId, UserManager.ENSURE_VERIFY_APPS); 8326 8327 // Check if installing from ADB 8328 if ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0) { 8329 // Do not run verification in a test harness environment 8330 if (ActivityManager.isRunningInTestHarness()) { 8331 return false; 8332 } 8333 if (ensureVerifyAppsEnabled) { 8334 return true; 8335 } 8336 // Check if the developer does not want package verification for ADB installs 8337 if (android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8338 android.provider.Settings.Global.PACKAGE_VERIFIER_INCLUDE_ADB, 1) == 0) { 8339 return false; 8340 } 8341 } 8342 8343 if (ensureVerifyAppsEnabled) { 8344 return true; 8345 } 8346 8347 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8348 android.provider.Settings.Global.PACKAGE_VERIFIER_ENABLE, 1) == 1; 8349 } 8350 8351 /** 8352 * Get the "allow unknown sources" setting. 8353 * 8354 * @return the current "allow unknown sources" setting 8355 */ 8356 private int getUnknownSourcesSettings() { 8357 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 8358 android.provider.Settings.Global.INSTALL_NON_MARKET_APPS, 8359 -1); 8360 } 8361 8362 @Override 8363 public void setInstallerPackageName(String targetPackage, String installerPackageName) { 8364 final int uid = Binder.getCallingUid(); 8365 // writer 8366 synchronized (mPackages) { 8367 PackageSetting targetPackageSetting = mSettings.mPackages.get(targetPackage); 8368 if (targetPackageSetting == null) { 8369 throw new IllegalArgumentException("Unknown target package: " + targetPackage); 8370 } 8371 8372 PackageSetting installerPackageSetting; 8373 if (installerPackageName != null) { 8374 installerPackageSetting = mSettings.mPackages.get(installerPackageName); 8375 if (installerPackageSetting == null) { 8376 throw new IllegalArgumentException("Unknown installer package: " 8377 + installerPackageName); 8378 } 8379 } else { 8380 installerPackageSetting = null; 8381 } 8382 8383 Signature[] callerSignature; 8384 Object obj = mSettings.getUserIdLPr(uid); 8385 if (obj != null) { 8386 if (obj instanceof SharedUserSetting) { 8387 callerSignature = ((SharedUserSetting)obj).signatures.mSignatures; 8388 } else if (obj instanceof PackageSetting) { 8389 callerSignature = ((PackageSetting)obj).signatures.mSignatures; 8390 } else { 8391 throw new SecurityException("Bad object " + obj + " for uid " + uid); 8392 } 8393 } else { 8394 throw new SecurityException("Unknown calling uid " + uid); 8395 } 8396 8397 // Verify: can't set installerPackageName to a package that is 8398 // not signed with the same cert as the caller. 8399 if (installerPackageSetting != null) { 8400 if (compareSignatures(callerSignature, 8401 installerPackageSetting.signatures.mSignatures) 8402 != PackageManager.SIGNATURE_MATCH) { 8403 throw new SecurityException( 8404 "Caller does not have same cert as new installer package " 8405 + installerPackageName); 8406 } 8407 } 8408 8409 // Verify: if target already has an installer package, it must 8410 // be signed with the same cert as the caller. 8411 if (targetPackageSetting.installerPackageName != null) { 8412 PackageSetting setting = mSettings.mPackages.get( 8413 targetPackageSetting.installerPackageName); 8414 // If the currently set package isn't valid, then it's always 8415 // okay to change it. 8416 if (setting != null) { 8417 if (compareSignatures(callerSignature, 8418 setting.signatures.mSignatures) 8419 != PackageManager.SIGNATURE_MATCH) { 8420 throw new SecurityException( 8421 "Caller does not have same cert as old installer package " 8422 + targetPackageSetting.installerPackageName); 8423 } 8424 } 8425 } 8426 8427 // Okay! 8428 targetPackageSetting.installerPackageName = installerPackageName; 8429 scheduleWriteSettingsLocked(); 8430 } 8431 } 8432 8433 private void processPendingInstall(final InstallArgs args, final int currentStatus) { 8434 // Queue up an async operation since the package installation may take a little while. 8435 mHandler.post(new Runnable() { 8436 public void run() { 8437 mHandler.removeCallbacks(this); 8438 // Result object to be returned 8439 PackageInstalledInfo res = new PackageInstalledInfo(); 8440 res.returnCode = currentStatus; 8441 res.uid = -1; 8442 res.pkg = null; 8443 res.removedInfo = new PackageRemovedInfo(); 8444 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 8445 args.doPreInstall(res.returnCode); 8446 synchronized (mInstallLock) { 8447 installPackageLI(args, res); 8448 } 8449 args.doPostInstall(res.returnCode, res.uid); 8450 } 8451 8452 // A restore should be performed at this point if (a) the install 8453 // succeeded, (b) the operation is not an update, and (c) the new 8454 // package has not opted out of backup participation. 8455 final boolean update = res.removedInfo.removedPackage != null; 8456 final int flags = (res.pkg == null) ? 0 : res.pkg.applicationInfo.flags; 8457 boolean doRestore = !update 8458 && ((flags & ApplicationInfo.FLAG_ALLOW_BACKUP) != 0); 8459 8460 // Set up the post-install work request bookkeeping. This will be used 8461 // and cleaned up by the post-install event handling regardless of whether 8462 // there's a restore pass performed. Token values are >= 1. 8463 int token; 8464 if (mNextInstallToken < 0) mNextInstallToken = 1; 8465 token = mNextInstallToken++; 8466 8467 PostInstallData data = new PostInstallData(args, res); 8468 mRunningInstalls.put(token, data); 8469 if (DEBUG_INSTALL) Log.v(TAG, "+ starting restore round-trip " + token); 8470 8471 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED && doRestore) { 8472 // Pass responsibility to the Backup Manager. It will perform a 8473 // restore if appropriate, then pass responsibility back to the 8474 // Package Manager to run the post-install observer callbacks 8475 // and broadcasts. 8476 IBackupManager bm = IBackupManager.Stub.asInterface( 8477 ServiceManager.getService(Context.BACKUP_SERVICE)); 8478 if (bm != null) { 8479 if (DEBUG_INSTALL) Log.v(TAG, "token " + token 8480 + " to BM for possible restore"); 8481 try { 8482 bm.restoreAtInstall(res.pkg.applicationInfo.packageName, token); 8483 } catch (RemoteException e) { 8484 // can't happen; the backup manager is local 8485 } catch (Exception e) { 8486 Slog.e(TAG, "Exception trying to enqueue restore", e); 8487 doRestore = false; 8488 } 8489 } else { 8490 Slog.e(TAG, "Backup Manager not found!"); 8491 doRestore = false; 8492 } 8493 } 8494 8495 if (!doRestore) { 8496 // No restore possible, or the Backup Manager was mysteriously not 8497 // available -- just fire the post-install work request directly. 8498 if (DEBUG_INSTALL) Log.v(TAG, "No restore - queue post-install for " + token); 8499 Message msg = mHandler.obtainMessage(POST_INSTALL, token, 0); 8500 mHandler.sendMessage(msg); 8501 } 8502 } 8503 }); 8504 } 8505 8506 private abstract class HandlerParams { 8507 private static final int MAX_RETRIES = 4; 8508 8509 /** 8510 * Number of times startCopy() has been attempted and had a non-fatal 8511 * error. 8512 */ 8513 private int mRetries = 0; 8514 8515 /** User handle for the user requesting the information or installation. */ 8516 private final UserHandle mUser; 8517 8518 HandlerParams(UserHandle user) { 8519 mUser = user; 8520 } 8521 8522 UserHandle getUser() { 8523 return mUser; 8524 } 8525 8526 final boolean startCopy() { 8527 boolean res; 8528 try { 8529 if (DEBUG_INSTALL) Slog.i(TAG, "startCopy " + mUser + ": " + this); 8530 8531 if (++mRetries > MAX_RETRIES) { 8532 Slog.w(TAG, "Failed to invoke remote methods on default container service. Giving up"); 8533 mHandler.sendEmptyMessage(MCS_GIVE_UP); 8534 handleServiceError(); 8535 return false; 8536 } else { 8537 handleStartCopy(); 8538 res = true; 8539 } 8540 } catch (RemoteException e) { 8541 if (DEBUG_INSTALL) Slog.i(TAG, "Posting install MCS_RECONNECT"); 8542 mHandler.sendEmptyMessage(MCS_RECONNECT); 8543 res = false; 8544 } 8545 handleReturnCode(); 8546 return res; 8547 } 8548 8549 final void serviceError() { 8550 if (DEBUG_INSTALL) Slog.i(TAG, "serviceError"); 8551 handleServiceError(); 8552 handleReturnCode(); 8553 } 8554 8555 abstract void handleStartCopy() throws RemoteException; 8556 abstract void handleServiceError(); 8557 abstract void handleReturnCode(); 8558 } 8559 8560 class MeasureParams extends HandlerParams { 8561 private final PackageStats mStats; 8562 private boolean mSuccess; 8563 8564 private final IPackageStatsObserver mObserver; 8565 8566 public MeasureParams(PackageStats stats, IPackageStatsObserver observer) { 8567 super(new UserHandle(stats.userHandle)); 8568 mObserver = observer; 8569 mStats = stats; 8570 } 8571 8572 @Override 8573 public String toString() { 8574 return "MeasureParams{" 8575 + Integer.toHexString(System.identityHashCode(this)) 8576 + " " + mStats.packageName + "}"; 8577 } 8578 8579 @Override 8580 void handleStartCopy() throws RemoteException { 8581 synchronized (mInstallLock) { 8582 mSuccess = getPackageSizeInfoLI(mStats.packageName, mStats.userHandle, mStats); 8583 } 8584 8585 if (mSuccess) { 8586 final boolean mounted; 8587 if (Environment.isExternalStorageEmulated()) { 8588 mounted = true; 8589 } else { 8590 final String status = Environment.getExternalStorageState(); 8591 mounted = (Environment.MEDIA_MOUNTED.equals(status) 8592 || Environment.MEDIA_MOUNTED_READ_ONLY.equals(status)); 8593 } 8594 8595 if (mounted) { 8596 final UserEnvironment userEnv = new UserEnvironment(mStats.userHandle); 8597 8598 mStats.externalCacheSize = calculateDirectorySize(mContainerService, 8599 userEnv.buildExternalStorageAppCacheDirs(mStats.packageName)); 8600 8601 mStats.externalDataSize = calculateDirectorySize(mContainerService, 8602 userEnv.buildExternalStorageAppDataDirs(mStats.packageName)); 8603 8604 // Always subtract cache size, since it's a subdirectory 8605 mStats.externalDataSize -= mStats.externalCacheSize; 8606 8607 mStats.externalMediaSize = calculateDirectorySize(mContainerService, 8608 userEnv.buildExternalStorageAppMediaDirs(mStats.packageName)); 8609 8610 mStats.externalObbSize = calculateDirectorySize(mContainerService, 8611 userEnv.buildExternalStorageAppObbDirs(mStats.packageName)); 8612 } 8613 } 8614 } 8615 8616 @Override 8617 void handleReturnCode() { 8618 if (mObserver != null) { 8619 try { 8620 mObserver.onGetStatsCompleted(mStats, mSuccess); 8621 } catch (RemoteException e) { 8622 Slog.i(TAG, "Observer no longer exists."); 8623 } 8624 } 8625 } 8626 8627 @Override 8628 void handleServiceError() { 8629 Slog.e(TAG, "Could not measure application " + mStats.packageName 8630 + " external storage"); 8631 } 8632 } 8633 8634 private static long calculateDirectorySize(IMediaContainerService mcs, File[] paths) 8635 throws RemoteException { 8636 long result = 0; 8637 for (File path : paths) { 8638 result += mcs.calculateDirectorySize(path.getAbsolutePath()); 8639 } 8640 return result; 8641 } 8642 8643 private static void clearDirectory(IMediaContainerService mcs, File[] paths) { 8644 for (File path : paths) { 8645 try { 8646 mcs.clearDirectory(path.getAbsolutePath()); 8647 } catch (RemoteException e) { 8648 } 8649 } 8650 } 8651 8652 static class OriginInfo { 8653 /** 8654 * Location where install is coming from, before it has been 8655 * copied/renamed into place. This could be a single monolithic APK 8656 * file, or a cluster directory. This location may be untrusted. 8657 */ 8658 final File file; 8659 final String cid; 8660 8661 /** 8662 * Flag indicating that {@link #file} or {@link #cid} has already been 8663 * staged, meaning downstream users don't need to defensively copy the 8664 * contents. 8665 */ 8666 final boolean staged; 8667 8668 /** 8669 * Flag indicating that {@link #file} or {@link #cid} is an already 8670 * installed app that is being moved. 8671 */ 8672 final boolean existing; 8673 8674 final String resolvedPath; 8675 final File resolvedFile; 8676 8677 static OriginInfo fromNothing() { 8678 return new OriginInfo(null, null, false, false); 8679 } 8680 8681 static OriginInfo fromUntrustedFile(File file) { 8682 return new OriginInfo(file, null, false, false); 8683 } 8684 8685 static OriginInfo fromExistingFile(File file) { 8686 return new OriginInfo(file, null, false, true); 8687 } 8688 8689 static OriginInfo fromStagedFile(File file) { 8690 return new OriginInfo(file, null, true, false); 8691 } 8692 8693 static OriginInfo fromStagedContainer(String cid) { 8694 return new OriginInfo(null, cid, true, false); 8695 } 8696 8697 private OriginInfo(File file, String cid, boolean staged, boolean existing) { 8698 this.file = file; 8699 this.cid = cid; 8700 this.staged = staged; 8701 this.existing = existing; 8702 8703 if (cid != null) { 8704 resolvedPath = PackageHelper.getSdDir(cid); 8705 resolvedFile = new File(resolvedPath); 8706 } else if (file != null) { 8707 resolvedPath = file.getAbsolutePath(); 8708 resolvedFile = file; 8709 } else { 8710 resolvedPath = null; 8711 resolvedFile = null; 8712 } 8713 } 8714 } 8715 8716 class InstallParams extends HandlerParams { 8717 final OriginInfo origin; 8718 final IPackageInstallObserver2 observer; 8719 int installFlags; 8720 final String installerPackageName; 8721 final VerificationParams verificationParams; 8722 private InstallArgs mArgs; 8723 private int mRet; 8724 final String packageAbiOverride; 8725 8726 InstallParams(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 8727 String installerPackageName, VerificationParams verificationParams, UserHandle user, 8728 String packageAbiOverride) { 8729 super(user); 8730 this.origin = origin; 8731 this.observer = observer; 8732 this.installFlags = installFlags; 8733 this.installerPackageName = installerPackageName; 8734 this.verificationParams = verificationParams; 8735 this.packageAbiOverride = packageAbiOverride; 8736 } 8737 8738 @Override 8739 public String toString() { 8740 return "InstallParams{" + Integer.toHexString(System.identityHashCode(this)) 8741 + " file=" + origin.file + " cid=" + origin.cid + "}"; 8742 } 8743 8744 public ManifestDigest getManifestDigest() { 8745 if (verificationParams == null) { 8746 return null; 8747 } 8748 return verificationParams.getManifestDigest(); 8749 } 8750 8751 private int installLocationPolicy(PackageInfoLite pkgLite) { 8752 String packageName = pkgLite.packageName; 8753 int installLocation = pkgLite.installLocation; 8754 boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8755 // reader 8756 synchronized (mPackages) { 8757 PackageParser.Package pkg = mPackages.get(packageName); 8758 if (pkg != null) { 8759 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 8760 // Check for downgrading. 8761 if ((installFlags & PackageManager.INSTALL_ALLOW_DOWNGRADE) == 0) { 8762 if (pkgLite.versionCode < pkg.mVersionCode) { 8763 Slog.w(TAG, "Can't install update of " + packageName 8764 + " update version " + pkgLite.versionCode 8765 + " is older than installed version " 8766 + pkg.mVersionCode); 8767 return PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE; 8768 } 8769 } 8770 // Check for updated system application. 8771 if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) { 8772 if (onSd) { 8773 Slog.w(TAG, "Cannot install update to system app on sdcard"); 8774 return PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION; 8775 } 8776 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8777 } else { 8778 if (onSd) { 8779 // Install flag overrides everything. 8780 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8781 } 8782 // If current upgrade specifies particular preference 8783 if (installLocation == PackageInfo.INSTALL_LOCATION_INTERNAL_ONLY) { 8784 // Application explicitly specified internal. 8785 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8786 } else if (installLocation == PackageInfo.INSTALL_LOCATION_PREFER_EXTERNAL) { 8787 // App explictly prefers external. Let policy decide 8788 } else { 8789 // Prefer previous location 8790 if (isExternal(pkg)) { 8791 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8792 } 8793 return PackageHelper.RECOMMEND_INSTALL_INTERNAL; 8794 } 8795 } 8796 } else { 8797 // Invalid install. Return error code 8798 return PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS; 8799 } 8800 } 8801 } 8802 // All the special cases have been taken care of. 8803 // Return result based on recommended install location. 8804 if (onSd) { 8805 return PackageHelper.RECOMMEND_INSTALL_EXTERNAL; 8806 } 8807 return pkgLite.recommendedInstallLocation; 8808 } 8809 8810 /* 8811 * Invoke remote method to get package information and install 8812 * location values. Override install location based on default 8813 * policy if needed and then create install arguments based 8814 * on the install location. 8815 */ 8816 public void handleStartCopy() throws RemoteException { 8817 int ret = PackageManager.INSTALL_SUCCEEDED; 8818 8819 // If we're already staged, we've firmly committed to an install location 8820 if (origin.staged) { 8821 if (origin.file != null) { 8822 installFlags |= PackageManager.INSTALL_INTERNAL; 8823 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8824 } else if (origin.cid != null) { 8825 installFlags |= PackageManager.INSTALL_EXTERNAL; 8826 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8827 } else { 8828 throw new IllegalStateException("Invalid stage location"); 8829 } 8830 } 8831 8832 final boolean onSd = (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 8833 final boolean onInt = (installFlags & PackageManager.INSTALL_INTERNAL) != 0; 8834 8835 PackageInfoLite pkgLite = null; 8836 8837 if (onInt && onSd) { 8838 // Check if both bits are set. 8839 Slog.w(TAG, "Conflicting flags specified for installing on both internal and external"); 8840 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8841 } else { 8842 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, installFlags, 8843 packageAbiOverride); 8844 8845 /* 8846 * If we have too little free space, try to free cache 8847 * before giving up. 8848 */ 8849 if (!origin.staged && pkgLite.recommendedInstallLocation 8850 == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8851 // TODO: focus freeing disk space on the target device 8852 final StorageManager storage = StorageManager.from(mContext); 8853 final long lowThreshold = storage.getStorageLowBytes( 8854 Environment.getDataDirectory()); 8855 8856 final long sizeBytes = mContainerService.calculateInstalledSize( 8857 origin.resolvedPath, isForwardLocked(), packageAbiOverride); 8858 8859 if (mInstaller.freeCache(sizeBytes + lowThreshold) >= 0) { 8860 pkgLite = mContainerService.getMinimalPackageInfo(origin.resolvedPath, 8861 installFlags, packageAbiOverride); 8862 } 8863 8864 /* 8865 * The cache free must have deleted the file we 8866 * downloaded to install. 8867 * 8868 * TODO: fix the "freeCache" call to not delete 8869 * the file we care about. 8870 */ 8871 if (pkgLite.recommendedInstallLocation 8872 == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8873 pkgLite.recommendedInstallLocation 8874 = PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE; 8875 } 8876 } 8877 } 8878 8879 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8880 int loc = pkgLite.recommendedInstallLocation; 8881 if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_LOCATION) { 8882 ret = PackageManager.INSTALL_FAILED_INVALID_INSTALL_LOCATION; 8883 } else if (loc == PackageHelper.RECOMMEND_FAILED_ALREADY_EXISTS) { 8884 ret = PackageManager.INSTALL_FAILED_ALREADY_EXISTS; 8885 } else if (loc == PackageHelper.RECOMMEND_FAILED_INSUFFICIENT_STORAGE) { 8886 ret = PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 8887 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_APK) { 8888 ret = PackageManager.INSTALL_FAILED_INVALID_APK; 8889 } else if (loc == PackageHelper.RECOMMEND_FAILED_INVALID_URI) { 8890 ret = PackageManager.INSTALL_FAILED_INVALID_URI; 8891 } else if (loc == PackageHelper.RECOMMEND_MEDIA_UNAVAILABLE) { 8892 ret = PackageManager.INSTALL_FAILED_MEDIA_UNAVAILABLE; 8893 } else { 8894 // Override with defaults if needed. 8895 loc = installLocationPolicy(pkgLite); 8896 if (loc == PackageHelper.RECOMMEND_FAILED_VERSION_DOWNGRADE) { 8897 ret = PackageManager.INSTALL_FAILED_VERSION_DOWNGRADE; 8898 } else if (!onSd && !onInt) { 8899 // Override install location with flags 8900 if (loc == PackageHelper.RECOMMEND_INSTALL_EXTERNAL) { 8901 // Set the flag to install on external media. 8902 installFlags |= PackageManager.INSTALL_EXTERNAL; 8903 installFlags &= ~PackageManager.INSTALL_INTERNAL; 8904 } else { 8905 // Make sure the flag for installing on external 8906 // media is unset 8907 installFlags |= PackageManager.INSTALL_INTERNAL; 8908 installFlags &= ~PackageManager.INSTALL_EXTERNAL; 8909 } 8910 } 8911 } 8912 } 8913 8914 final InstallArgs args = createInstallArgs(this); 8915 mArgs = args; 8916 8917 if (ret == PackageManager.INSTALL_SUCCEEDED) { 8918 /* 8919 * ADB installs appear as UserHandle.USER_ALL, and can only be performed by 8920 * UserHandle.USER_OWNER, so use the package verifier for UserHandle.USER_OWNER. 8921 */ 8922 int userIdentifier = getUser().getIdentifier(); 8923 if (userIdentifier == UserHandle.USER_ALL 8924 && ((installFlags & PackageManager.INSTALL_FROM_ADB) != 0)) { 8925 userIdentifier = UserHandle.USER_OWNER; 8926 } 8927 8928 /* 8929 * Determine if we have any installed package verifiers. If we 8930 * do, then we'll defer to them to verify the packages. 8931 */ 8932 final int requiredUid = mRequiredVerifierPackage == null ? -1 8933 : getPackageUid(mRequiredVerifierPackage, userIdentifier); 8934 if (!origin.existing && requiredUid != -1 8935 && isVerificationEnabled(userIdentifier, installFlags)) { 8936 final Intent verification = new Intent( 8937 Intent.ACTION_PACKAGE_NEEDS_VERIFICATION); 8938 verification.setDataAndType(Uri.fromFile(new File(origin.resolvedPath)), 8939 PACKAGE_MIME_TYPE); 8940 verification.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); 8941 8942 final List<ResolveInfo> receivers = queryIntentReceivers(verification, 8943 PACKAGE_MIME_TYPE, PackageManager.GET_DISABLED_COMPONENTS, 8944 0 /* TODO: Which userId? */); 8945 8946 if (DEBUG_VERIFY) { 8947 Slog.d(TAG, "Found " + receivers.size() + " verifiers for intent " 8948 + verification.toString() + " with " + pkgLite.verifiers.length 8949 + " optional verifiers"); 8950 } 8951 8952 final int verificationId = mPendingVerificationToken++; 8953 8954 verification.putExtra(PackageManager.EXTRA_VERIFICATION_ID, verificationId); 8955 8956 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_PACKAGE, 8957 installerPackageName); 8958 8959 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALL_FLAGS, 8960 installFlags); 8961 8962 verification.putExtra(PackageManager.EXTRA_VERIFICATION_PACKAGE_NAME, 8963 pkgLite.packageName); 8964 8965 verification.putExtra(PackageManager.EXTRA_VERIFICATION_VERSION_CODE, 8966 pkgLite.versionCode); 8967 8968 if (verificationParams != null) { 8969 if (verificationParams.getVerificationURI() != null) { 8970 verification.putExtra(PackageManager.EXTRA_VERIFICATION_URI, 8971 verificationParams.getVerificationURI()); 8972 } 8973 if (verificationParams.getOriginatingURI() != null) { 8974 verification.putExtra(Intent.EXTRA_ORIGINATING_URI, 8975 verificationParams.getOriginatingURI()); 8976 } 8977 if (verificationParams.getReferrer() != null) { 8978 verification.putExtra(Intent.EXTRA_REFERRER, 8979 verificationParams.getReferrer()); 8980 } 8981 if (verificationParams.getOriginatingUid() >= 0) { 8982 verification.putExtra(Intent.EXTRA_ORIGINATING_UID, 8983 verificationParams.getOriginatingUid()); 8984 } 8985 if (verificationParams.getInstallerUid() >= 0) { 8986 verification.putExtra(PackageManager.EXTRA_VERIFICATION_INSTALLER_UID, 8987 verificationParams.getInstallerUid()); 8988 } 8989 } 8990 8991 final PackageVerificationState verificationState = new PackageVerificationState( 8992 requiredUid, args); 8993 8994 mPendingVerification.append(verificationId, verificationState); 8995 8996 final List<ComponentName> sufficientVerifiers = matchVerifiers(pkgLite, 8997 receivers, verificationState); 8998 8999 /* 9000 * If any sufficient verifiers were listed in the package 9001 * manifest, attempt to ask them. 9002 */ 9003 if (sufficientVerifiers != null) { 9004 final int N = sufficientVerifiers.size(); 9005 if (N == 0) { 9006 Slog.i(TAG, "Additional verifiers required, but none installed."); 9007 ret = PackageManager.INSTALL_FAILED_VERIFICATION_FAILURE; 9008 } else { 9009 for (int i = 0; i < N; i++) { 9010 final ComponentName verifierComponent = sufficientVerifiers.get(i); 9011 9012 final Intent sufficientIntent = new Intent(verification); 9013 sufficientIntent.setComponent(verifierComponent); 9014 9015 mContext.sendBroadcastAsUser(sufficientIntent, getUser()); 9016 } 9017 } 9018 } 9019 9020 final ComponentName requiredVerifierComponent = matchComponentForVerifier( 9021 mRequiredVerifierPackage, receivers); 9022 if (ret == PackageManager.INSTALL_SUCCEEDED 9023 && mRequiredVerifierPackage != null) { 9024 /* 9025 * Send the intent to the required verification agent, 9026 * but only start the verification timeout after the 9027 * target BroadcastReceivers have run. 9028 */ 9029 verification.setComponent(requiredVerifierComponent); 9030 mContext.sendOrderedBroadcastAsUser(verification, getUser(), 9031 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 9032 new BroadcastReceiver() { 9033 @Override 9034 public void onReceive(Context context, Intent intent) { 9035 final Message msg = mHandler 9036 .obtainMessage(CHECK_PENDING_VERIFICATION); 9037 msg.arg1 = verificationId; 9038 mHandler.sendMessageDelayed(msg, getVerificationTimeout()); 9039 } 9040 }, null, 0, null, null); 9041 9042 /* 9043 * We don't want the copy to proceed until verification 9044 * succeeds, so null out this field. 9045 */ 9046 mArgs = null; 9047 } 9048 } else { 9049 /* 9050 * No package verification is enabled, so immediately start 9051 * the remote call to initiate copy using temporary file. 9052 */ 9053 ret = args.copyApk(mContainerService, true); 9054 } 9055 } 9056 9057 mRet = ret; 9058 } 9059 9060 @Override 9061 void handleReturnCode() { 9062 // If mArgs is null, then MCS couldn't be reached. When it 9063 // reconnects, it will try again to install. At that point, this 9064 // will succeed. 9065 if (mArgs != null) { 9066 processPendingInstall(mArgs, mRet); 9067 } 9068 } 9069 9070 @Override 9071 void handleServiceError() { 9072 mArgs = createInstallArgs(this); 9073 mRet = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9074 } 9075 9076 public boolean isForwardLocked() { 9077 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9078 } 9079 } 9080 9081 /** 9082 * Used during creation of InstallArgs 9083 * 9084 * @param installFlags package installation flags 9085 * @return true if should be installed on external storage 9086 */ 9087 private static boolean installOnSd(int installFlags) { 9088 if ((installFlags & PackageManager.INSTALL_INTERNAL) != 0) { 9089 return false; 9090 } 9091 if ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0) { 9092 return true; 9093 } 9094 return false; 9095 } 9096 9097 /** 9098 * Used during creation of InstallArgs 9099 * 9100 * @param installFlags package installation flags 9101 * @return true if should be installed as forward locked 9102 */ 9103 private static boolean installForwardLocked(int installFlags) { 9104 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9105 } 9106 9107 private InstallArgs createInstallArgs(InstallParams params) { 9108 if (installOnSd(params.installFlags) || params.isForwardLocked()) { 9109 return new AsecInstallArgs(params); 9110 } else { 9111 return new FileInstallArgs(params); 9112 } 9113 } 9114 9115 /** 9116 * Create args that describe an existing installed package. Typically used 9117 * when cleaning up old installs, or used as a move source. 9118 */ 9119 private InstallArgs createInstallArgsForExisting(int installFlags, String codePath, 9120 String resourcePath, String nativeLibraryRoot, String[] instructionSets) { 9121 final boolean isInAsec; 9122 if (installOnSd(installFlags)) { 9123 /* Apps on SD card are always in ASEC containers. */ 9124 isInAsec = true; 9125 } else if (installForwardLocked(installFlags) 9126 && !codePath.startsWith(mDrmAppPrivateInstallDir.getAbsolutePath())) { 9127 /* 9128 * Forward-locked apps are only in ASEC containers if they're the 9129 * new style 9130 */ 9131 isInAsec = true; 9132 } else { 9133 isInAsec = false; 9134 } 9135 9136 if (isInAsec) { 9137 return new AsecInstallArgs(codePath, instructionSets, 9138 installOnSd(installFlags), installForwardLocked(installFlags)); 9139 } else { 9140 return new FileInstallArgs(codePath, resourcePath, nativeLibraryRoot, 9141 instructionSets); 9142 } 9143 } 9144 9145 static abstract class InstallArgs { 9146 /** @see InstallParams#origin */ 9147 final OriginInfo origin; 9148 9149 final IPackageInstallObserver2 observer; 9150 // Always refers to PackageManager flags only 9151 final int installFlags; 9152 final String installerPackageName; 9153 final ManifestDigest manifestDigest; 9154 final UserHandle user; 9155 final String abiOverride; 9156 9157 // The list of instruction sets supported by this app. This is currently 9158 // only used during the rmdex() phase to clean up resources. We can get rid of this 9159 // if we move dex files under the common app path. 9160 /* nullable */ String[] instructionSets; 9161 9162 InstallArgs(OriginInfo origin, IPackageInstallObserver2 observer, int installFlags, 9163 String installerPackageName, ManifestDigest manifestDigest, UserHandle user, 9164 String[] instructionSets, String abiOverride) { 9165 this.origin = origin; 9166 this.installFlags = installFlags; 9167 this.observer = observer; 9168 this.installerPackageName = installerPackageName; 9169 this.manifestDigest = manifestDigest; 9170 this.user = user; 9171 this.instructionSets = instructionSets; 9172 this.abiOverride = abiOverride; 9173 } 9174 9175 abstract int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException; 9176 abstract int doPreInstall(int status); 9177 9178 /** 9179 * Rename package into final resting place. All paths on the given 9180 * scanned package should be updated to reflect the rename. 9181 */ 9182 abstract boolean doRename(int status, PackageParser.Package pkg, String oldCodePath); 9183 abstract int doPostInstall(int status, int uid); 9184 9185 /** @see PackageSettingBase#codePathString */ 9186 abstract String getCodePath(); 9187 /** @see PackageSettingBase#resourcePathString */ 9188 abstract String getResourcePath(); 9189 abstract String getLegacyNativeLibraryPath(); 9190 9191 // Need installer lock especially for dex file removal. 9192 abstract void cleanUpResourcesLI(); 9193 abstract boolean doPostDeleteLI(boolean delete); 9194 abstract boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException; 9195 9196 /** 9197 * Called before the source arguments are copied. This is used mostly 9198 * for MoveParams when it needs to read the source file to put it in the 9199 * destination. 9200 */ 9201 int doPreCopy() { 9202 return PackageManager.INSTALL_SUCCEEDED; 9203 } 9204 9205 /** 9206 * Called after the source arguments are copied. This is used mostly for 9207 * MoveParams when it needs to read the source file to put it in the 9208 * destination. 9209 * 9210 * @return 9211 */ 9212 int doPostCopy(int uid) { 9213 return PackageManager.INSTALL_SUCCEEDED; 9214 } 9215 9216 protected boolean isFwdLocked() { 9217 return (installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0; 9218 } 9219 9220 protected boolean isExternal() { 9221 return (installFlags & PackageManager.INSTALL_EXTERNAL) != 0; 9222 } 9223 9224 UserHandle getUser() { 9225 return user; 9226 } 9227 } 9228 9229 /** 9230 * Logic to handle installation of non-ASEC applications, including copying 9231 * and renaming logic. 9232 */ 9233 class FileInstallArgs extends InstallArgs { 9234 private File codeFile; 9235 private File resourceFile; 9236 private File legacyNativeLibraryPath; 9237 9238 // Example topology: 9239 // /data/app/com.example/base.apk 9240 // /data/app/com.example/split_foo.apk 9241 // /data/app/com.example/lib/arm/libfoo.so 9242 // /data/app/com.example/lib/arm64/libfoo.so 9243 // /data/app/com.example/dalvik/arm/base.apk@classes.dex 9244 9245 /** New install */ 9246 FileInstallArgs(InstallParams params) { 9247 super(params.origin, params.observer, params.installFlags, 9248 params.installerPackageName, params.getManifestDigest(), params.getUser(), 9249 null /* instruction sets */, params.packageAbiOverride); 9250 if (isFwdLocked()) { 9251 throw new IllegalArgumentException("Forward locking only supported in ASEC"); 9252 } 9253 } 9254 9255 /** Existing install */ 9256 FileInstallArgs(String codePath, String resourcePath, String legacyNativeLibraryPath, 9257 String[] instructionSets) { 9258 super(OriginInfo.fromNothing(), null, 0, null, null, null, instructionSets, null); 9259 this.codeFile = (codePath != null) ? new File(codePath) : null; 9260 this.resourceFile = (resourcePath != null) ? new File(resourcePath) : null; 9261 this.legacyNativeLibraryPath = (legacyNativeLibraryPath != null) ? 9262 new File(legacyNativeLibraryPath) : null; 9263 } 9264 9265 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9266 final long sizeBytes = imcs.calculateInstalledSize(origin.file.getAbsolutePath(), 9267 isFwdLocked(), abiOverride); 9268 9269 final StorageManager storage = StorageManager.from(mContext); 9270 return (sizeBytes <= storage.getStorageBytesUntilLow(Environment.getDataDirectory())); 9271 } 9272 9273 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9274 if (origin.staged) { 9275 Slog.d(TAG, origin.file + " already staged; skipping copy"); 9276 codeFile = origin.file; 9277 resourceFile = origin.file; 9278 return PackageManager.INSTALL_SUCCEEDED; 9279 } 9280 9281 try { 9282 final File tempDir = mInstallerService.allocateInternalStageDirLegacy(); 9283 codeFile = tempDir; 9284 resourceFile = tempDir; 9285 } catch (IOException e) { 9286 Slog.w(TAG, "Failed to create copy file: " + e); 9287 return PackageManager.INSTALL_FAILED_INSUFFICIENT_STORAGE; 9288 } 9289 9290 final IParcelFileDescriptorFactory target = new IParcelFileDescriptorFactory.Stub() { 9291 @Override 9292 public ParcelFileDescriptor open(String name, int mode) throws RemoteException { 9293 if (!FileUtils.isValidExtFilename(name)) { 9294 throw new IllegalArgumentException("Invalid filename: " + name); 9295 } 9296 try { 9297 final File file = new File(codeFile, name); 9298 final FileDescriptor fd = Os.open(file.getAbsolutePath(), 9299 O_RDWR | O_CREAT, 0644); 9300 Os.chmod(file.getAbsolutePath(), 0644); 9301 return new ParcelFileDescriptor(fd); 9302 } catch (ErrnoException e) { 9303 throw new RemoteException("Failed to open: " + e.getMessage()); 9304 } 9305 } 9306 }; 9307 9308 int ret = PackageManager.INSTALL_SUCCEEDED; 9309 ret = imcs.copyPackage(origin.file.getAbsolutePath(), target); 9310 if (ret != PackageManager.INSTALL_SUCCEEDED) { 9311 Slog.e(TAG, "Failed to copy package"); 9312 return ret; 9313 } 9314 9315 final File libraryRoot = new File(codeFile, LIB_DIR_NAME); 9316 NativeLibraryHelper.Handle handle = null; 9317 try { 9318 handle = NativeLibraryHelper.Handle.create(codeFile); 9319 ret = NativeLibraryHelper.copyNativeBinariesWithOverride(handle, libraryRoot, 9320 abiOverride); 9321 } catch (IOException e) { 9322 Slog.e(TAG, "Copying native libraries failed", e); 9323 ret = PackageManager.INSTALL_FAILED_INTERNAL_ERROR; 9324 } finally { 9325 IoUtils.closeQuietly(handle); 9326 } 9327 9328 return ret; 9329 } 9330 9331 int doPreInstall(int status) { 9332 if (status != PackageManager.INSTALL_SUCCEEDED) { 9333 cleanUp(); 9334 } 9335 return status; 9336 } 9337 9338 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9339 if (status != PackageManager.INSTALL_SUCCEEDED) { 9340 cleanUp(); 9341 return false; 9342 } else { 9343 final File beforeCodeFile = codeFile; 9344 final File afterCodeFile = getNextCodePath(pkg.packageName); 9345 9346 Slog.d(TAG, "Renaming " + beforeCodeFile + " to " + afterCodeFile); 9347 try { 9348 Os.rename(beforeCodeFile.getAbsolutePath(), afterCodeFile.getAbsolutePath()); 9349 } catch (ErrnoException e) { 9350 Slog.d(TAG, "Failed to rename", e); 9351 return false; 9352 } 9353 9354 if (!SELinux.restoreconRecursive(afterCodeFile)) { 9355 Slog.d(TAG, "Failed to restorecon"); 9356 return false; 9357 } 9358 9359 // Reflect the rename internally 9360 codeFile = afterCodeFile; 9361 resourceFile = afterCodeFile; 9362 9363 // Reflect the rename in scanned details 9364 pkg.codePath = afterCodeFile.getAbsolutePath(); 9365 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9366 pkg.baseCodePath); 9367 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9368 pkg.splitCodePaths); 9369 9370 // Reflect the rename in app info 9371 pkg.applicationInfo.setCodePath(pkg.codePath); 9372 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9373 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9374 pkg.applicationInfo.setResourcePath(pkg.codePath); 9375 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9376 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9377 9378 return true; 9379 } 9380 } 9381 9382 int doPostInstall(int status, int uid) { 9383 if (status != PackageManager.INSTALL_SUCCEEDED) { 9384 cleanUp(); 9385 } 9386 return status; 9387 } 9388 9389 @Override 9390 String getCodePath() { 9391 return (codeFile != null) ? codeFile.getAbsolutePath() : null; 9392 } 9393 9394 @Override 9395 String getResourcePath() { 9396 return (resourceFile != null) ? resourceFile.getAbsolutePath() : null; 9397 } 9398 9399 @Override 9400 String getLegacyNativeLibraryPath() { 9401 return (legacyNativeLibraryPath != null) ? legacyNativeLibraryPath.getAbsolutePath() : null; 9402 } 9403 9404 private boolean cleanUp() { 9405 if (codeFile == null || !codeFile.exists()) { 9406 return false; 9407 } 9408 9409 if (codeFile.isDirectory()) { 9410 FileUtils.deleteContents(codeFile); 9411 } 9412 codeFile.delete(); 9413 9414 if (resourceFile != null && !FileUtils.contains(codeFile, resourceFile)) { 9415 resourceFile.delete(); 9416 } 9417 9418 if (legacyNativeLibraryPath != null && !FileUtils.contains(codeFile, legacyNativeLibraryPath)) { 9419 if (!FileUtils.deleteContents(legacyNativeLibraryPath)) { 9420 Slog.w(TAG, "Couldn't delete native library directory " + legacyNativeLibraryPath); 9421 } 9422 legacyNativeLibraryPath.delete(); 9423 } 9424 9425 return true; 9426 } 9427 9428 void cleanUpResourcesLI() { 9429 // Try enumerating all code paths before deleting 9430 List<String> allCodePaths = Collections.EMPTY_LIST; 9431 if (codeFile != null && codeFile.exists()) { 9432 try { 9433 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9434 allCodePaths = pkg.getAllCodePaths(); 9435 } catch (PackageParserException e) { 9436 // Ignored; we tried our best 9437 } 9438 } 9439 9440 cleanUp(); 9441 9442 if (!allCodePaths.isEmpty()) { 9443 if (instructionSets == null) { 9444 throw new IllegalStateException("instructionSet == null"); 9445 } 9446 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9447 for (String codePath : allCodePaths) { 9448 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9449 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9450 if (retCode < 0) { 9451 Slog.w(TAG, "Couldn't remove dex file for package: " 9452 + " at location " + codePath + ", retcode=" + retCode); 9453 // we don't consider this to be a failure of the core package deletion 9454 } 9455 } 9456 } 9457 } 9458 } 9459 9460 boolean doPostDeleteLI(boolean delete) { 9461 // XXX err, shouldn't we respect the delete flag? 9462 cleanUpResourcesLI(); 9463 return true; 9464 } 9465 } 9466 9467 private boolean isAsecExternal(String cid) { 9468 final String asecPath = PackageHelper.getSdFilesystem(cid); 9469 return !asecPath.startsWith(mAsecInternalPath); 9470 } 9471 9472 private static void maybeThrowExceptionForMultiArchCopy(String message, int copyRet) throws 9473 PackageManagerException { 9474 if (copyRet < 0) { 9475 if (copyRet != PackageManager.NO_NATIVE_LIBRARIES && 9476 copyRet != PackageManager.INSTALL_FAILED_NO_MATCHING_ABIS) { 9477 throw new PackageManagerException(copyRet, message); 9478 } 9479 } 9480 } 9481 9482 /** 9483 * Extract the MountService "container ID" from the full code path of an 9484 * .apk. 9485 */ 9486 static String cidFromCodePath(String fullCodePath) { 9487 int eidx = fullCodePath.lastIndexOf("/"); 9488 String subStr1 = fullCodePath.substring(0, eidx); 9489 int sidx = subStr1.lastIndexOf("/"); 9490 return subStr1.substring(sidx+1, eidx); 9491 } 9492 9493 /** 9494 * Logic to handle installation of ASEC applications, including copying and 9495 * renaming logic. 9496 */ 9497 class AsecInstallArgs extends InstallArgs { 9498 static final String RES_FILE_NAME = "pkg.apk"; 9499 static final String PUBLIC_RES_FILE_NAME = "res.zip"; 9500 9501 String cid; 9502 String packagePath; 9503 String resourcePath; 9504 String legacyNativeLibraryDir; 9505 9506 /** New install */ 9507 AsecInstallArgs(InstallParams params) { 9508 super(params.origin, params.observer, params.installFlags, 9509 params.installerPackageName, params.getManifestDigest(), 9510 params.getUser(), null /* instruction sets */, 9511 params.packageAbiOverride); 9512 } 9513 9514 /** Existing install */ 9515 AsecInstallArgs(String fullCodePath, String[] instructionSets, 9516 boolean isExternal, boolean isForwardLocked) { 9517 super(OriginInfo.fromNothing(), null, (isExternal ? INSTALL_EXTERNAL : 0) 9518 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9519 instructionSets, null); 9520 // Hackily pretend we're still looking at a full code path 9521 if (!fullCodePath.endsWith(RES_FILE_NAME)) { 9522 fullCodePath = new File(fullCodePath, RES_FILE_NAME).getAbsolutePath(); 9523 } 9524 9525 // Extract cid from fullCodePath 9526 int eidx = fullCodePath.lastIndexOf("/"); 9527 String subStr1 = fullCodePath.substring(0, eidx); 9528 int sidx = subStr1.lastIndexOf("/"); 9529 cid = subStr1.substring(sidx+1, eidx); 9530 setMountPath(subStr1); 9531 } 9532 9533 AsecInstallArgs(String cid, String[] instructionSets, boolean isForwardLocked) { 9534 super(OriginInfo.fromNothing(), null, (isAsecExternal(cid) ? INSTALL_EXTERNAL : 0) 9535 | (isForwardLocked ? INSTALL_FORWARD_LOCK : 0), null, null, null, 9536 instructionSets, null); 9537 this.cid = cid; 9538 setMountPath(PackageHelper.getSdDir(cid)); 9539 } 9540 9541 void createCopyFile() { 9542 cid = mInstallerService.allocateExternalStageCidLegacy(); 9543 } 9544 9545 boolean checkFreeStorage(IMediaContainerService imcs) throws RemoteException { 9546 final long sizeBytes = imcs.calculateInstalledSize(packagePath, isFwdLocked(), 9547 abiOverride); 9548 9549 final File target; 9550 if (isExternal()) { 9551 target = new UserEnvironment(UserHandle.USER_OWNER).getExternalStorageDirectory(); 9552 } else { 9553 target = Environment.getDataDirectory(); 9554 } 9555 9556 final StorageManager storage = StorageManager.from(mContext); 9557 return (sizeBytes <= storage.getStorageBytesUntilLow(target)); 9558 } 9559 9560 int copyApk(IMediaContainerService imcs, boolean temp) throws RemoteException { 9561 if (origin.staged) { 9562 Slog.d(TAG, origin.cid + " already staged; skipping copy"); 9563 cid = origin.cid; 9564 setMountPath(PackageHelper.getSdDir(cid)); 9565 return PackageManager.INSTALL_SUCCEEDED; 9566 } 9567 9568 if (temp) { 9569 createCopyFile(); 9570 } else { 9571 /* 9572 * Pre-emptively destroy the container since it's destroyed if 9573 * copying fails due to it existing anyway. 9574 */ 9575 PackageHelper.destroySdDir(cid); 9576 } 9577 9578 final String newMountPath = imcs.copyPackageToContainer( 9579 origin.file.getAbsolutePath(), cid, getEncryptKey(), isExternal(), 9580 isFwdLocked(), deriveAbiOverride(abiOverride, null /* settings */)); 9581 9582 if (newMountPath != null) { 9583 setMountPath(newMountPath); 9584 return PackageManager.INSTALL_SUCCEEDED; 9585 } else { 9586 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9587 } 9588 } 9589 9590 @Override 9591 String getCodePath() { 9592 return packagePath; 9593 } 9594 9595 @Override 9596 String getResourcePath() { 9597 return resourcePath; 9598 } 9599 9600 @Override 9601 String getLegacyNativeLibraryPath() { 9602 return legacyNativeLibraryDir; 9603 } 9604 9605 int doPreInstall(int status) { 9606 if (status != PackageManager.INSTALL_SUCCEEDED) { 9607 // Destroy container 9608 PackageHelper.destroySdDir(cid); 9609 } else { 9610 boolean mounted = PackageHelper.isContainerMounted(cid); 9611 if (!mounted) { 9612 String newMountPath = PackageHelper.mountSdDir(cid, getEncryptKey(), 9613 Process.SYSTEM_UID); 9614 if (newMountPath != null) { 9615 setMountPath(newMountPath); 9616 } else { 9617 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9618 } 9619 } 9620 } 9621 return status; 9622 } 9623 9624 boolean doRename(int status, PackageParser.Package pkg, String oldCodePath) { 9625 String newCacheId = getNextCodePath(oldCodePath, pkg.packageName, "/" + RES_FILE_NAME); 9626 String newMountPath = null; 9627 if (PackageHelper.isContainerMounted(cid)) { 9628 // Unmount the container 9629 if (!PackageHelper.unMountSdDir(cid)) { 9630 Slog.i(TAG, "Failed to unmount " + cid + " before renaming"); 9631 return false; 9632 } 9633 } 9634 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9635 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId + 9636 " which might be stale. Will try to clean up."); 9637 // Clean up the stale container and proceed to recreate. 9638 if (!PackageHelper.destroySdDir(newCacheId)) { 9639 Slog.e(TAG, "Very strange. Cannot clean up stale container " + newCacheId); 9640 return false; 9641 } 9642 // Successfully cleaned up stale container. Try to rename again. 9643 if (!PackageHelper.renameSdDir(cid, newCacheId)) { 9644 Slog.e(TAG, "Failed to rename " + cid + " to " + newCacheId 9645 + " inspite of cleaning it up."); 9646 return false; 9647 } 9648 } 9649 if (!PackageHelper.isContainerMounted(newCacheId)) { 9650 Slog.w(TAG, "Mounting container " + newCacheId); 9651 newMountPath = PackageHelper.mountSdDir(newCacheId, 9652 getEncryptKey(), Process.SYSTEM_UID); 9653 } else { 9654 newMountPath = PackageHelper.getSdDir(newCacheId); 9655 } 9656 if (newMountPath == null) { 9657 Slog.w(TAG, "Failed to get cache path for " + newCacheId); 9658 return false; 9659 } 9660 Log.i(TAG, "Succesfully renamed " + cid + 9661 " to " + newCacheId + 9662 " at new path: " + newMountPath); 9663 cid = newCacheId; 9664 9665 final File beforeCodeFile = new File(packagePath); 9666 setMountPath(newMountPath); 9667 final File afterCodeFile = new File(packagePath); 9668 9669 // Reflect the rename in scanned details 9670 pkg.codePath = afterCodeFile.getAbsolutePath(); 9671 pkg.baseCodePath = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9672 pkg.baseCodePath); 9673 pkg.splitCodePaths = FileUtils.rewriteAfterRename(beforeCodeFile, afterCodeFile, 9674 pkg.splitCodePaths); 9675 9676 // Reflect the rename in app info 9677 pkg.applicationInfo.setCodePath(pkg.codePath); 9678 pkg.applicationInfo.setBaseCodePath(pkg.baseCodePath); 9679 pkg.applicationInfo.setSplitCodePaths(pkg.splitCodePaths); 9680 pkg.applicationInfo.setResourcePath(pkg.codePath); 9681 pkg.applicationInfo.setBaseResourcePath(pkg.baseCodePath); 9682 pkg.applicationInfo.setSplitResourcePaths(pkg.splitCodePaths); 9683 9684 return true; 9685 } 9686 9687 private void setMountPath(String mountPath) { 9688 final File mountFile = new File(mountPath); 9689 9690 final File monolithicFile = new File(mountFile, RES_FILE_NAME); 9691 if (monolithicFile.exists()) { 9692 packagePath = monolithicFile.getAbsolutePath(); 9693 if (isFwdLocked()) { 9694 resourcePath = new File(mountFile, PUBLIC_RES_FILE_NAME).getAbsolutePath(); 9695 } else { 9696 resourcePath = packagePath; 9697 } 9698 } else { 9699 packagePath = mountFile.getAbsolutePath(); 9700 resourcePath = packagePath; 9701 } 9702 9703 legacyNativeLibraryDir = new File(mountFile, LIB_DIR_NAME).getAbsolutePath(); 9704 } 9705 9706 int doPostInstall(int status, int uid) { 9707 if (status != PackageManager.INSTALL_SUCCEEDED) { 9708 cleanUp(); 9709 } else { 9710 final int groupOwner; 9711 final String protectedFile; 9712 if (isFwdLocked()) { 9713 groupOwner = UserHandle.getSharedAppGid(uid); 9714 protectedFile = RES_FILE_NAME; 9715 } else { 9716 groupOwner = -1; 9717 protectedFile = null; 9718 } 9719 9720 if (uid < Process.FIRST_APPLICATION_UID 9721 || !PackageHelper.fixSdPermissions(cid, groupOwner, protectedFile)) { 9722 Slog.e(TAG, "Failed to finalize " + cid); 9723 PackageHelper.destroySdDir(cid); 9724 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9725 } 9726 9727 boolean mounted = PackageHelper.isContainerMounted(cid); 9728 if (!mounted) { 9729 PackageHelper.mountSdDir(cid, getEncryptKey(), Process.myUid()); 9730 } 9731 } 9732 return status; 9733 } 9734 9735 private void cleanUp() { 9736 if (DEBUG_SD_INSTALL) Slog.i(TAG, "cleanUp"); 9737 9738 // Destroy secure container 9739 PackageHelper.destroySdDir(cid); 9740 } 9741 9742 private List<String> getAllCodePaths() { 9743 final File codeFile = new File(getCodePath()); 9744 if (codeFile != null && codeFile.exists()) { 9745 try { 9746 final PackageLite pkg = PackageParser.parsePackageLite(codeFile, 0); 9747 return pkg.getAllCodePaths(); 9748 } catch (PackageParserException e) { 9749 // Ignored; we tried our best 9750 } 9751 } 9752 return Collections.EMPTY_LIST; 9753 } 9754 9755 void cleanUpResourcesLI() { 9756 // Enumerate all code paths before deleting 9757 cleanUpResourcesLI(getAllCodePaths()); 9758 } 9759 9760 private void cleanUpResourcesLI(List<String> allCodePaths) { 9761 cleanUp(); 9762 9763 if (!allCodePaths.isEmpty()) { 9764 if (instructionSets == null) { 9765 throw new IllegalStateException("instructionSet == null"); 9766 } 9767 String[] dexCodeInstructionSets = getDexCodeInstructionSets(instructionSets); 9768 for (String codePath : allCodePaths) { 9769 for (String dexCodeInstructionSet : dexCodeInstructionSets) { 9770 int retCode = mInstaller.rmdex(codePath, dexCodeInstructionSet); 9771 if (retCode < 0) { 9772 Slog.w(TAG, "Couldn't remove dex file for package: " 9773 + " at location " + codePath + ", retcode=" + retCode); 9774 // we don't consider this to be a failure of the core package deletion 9775 } 9776 } 9777 } 9778 } 9779 } 9780 9781 boolean matchContainer(String app) { 9782 if (cid.startsWith(app)) { 9783 return true; 9784 } 9785 return false; 9786 } 9787 9788 String getPackageName() { 9789 return getAsecPackageName(cid); 9790 } 9791 9792 boolean doPostDeleteLI(boolean delete) { 9793 if (DEBUG_SD_INSTALL) Slog.i(TAG, "doPostDeleteLI() del=" + delete); 9794 final List<String> allCodePaths = getAllCodePaths(); 9795 boolean mounted = PackageHelper.isContainerMounted(cid); 9796 if (mounted) { 9797 // Unmount first 9798 if (PackageHelper.unMountSdDir(cid)) { 9799 mounted = false; 9800 } 9801 } 9802 if (!mounted && delete) { 9803 cleanUpResourcesLI(allCodePaths); 9804 } 9805 return !mounted; 9806 } 9807 9808 @Override 9809 int doPreCopy() { 9810 if (isFwdLocked()) { 9811 if (!PackageHelper.fixSdPermissions(cid, 9812 getPackageUid(DEFAULT_CONTAINER_PACKAGE, 0), RES_FILE_NAME)) { 9813 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9814 } 9815 } 9816 9817 return PackageManager.INSTALL_SUCCEEDED; 9818 } 9819 9820 @Override 9821 int doPostCopy(int uid) { 9822 if (isFwdLocked()) { 9823 if (uid < Process.FIRST_APPLICATION_UID 9824 || !PackageHelper.fixSdPermissions(cid, UserHandle.getSharedAppGid(uid), 9825 RES_FILE_NAME)) { 9826 Slog.e(TAG, "Failed to finalize " + cid); 9827 PackageHelper.destroySdDir(cid); 9828 return PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 9829 } 9830 } 9831 9832 return PackageManager.INSTALL_SUCCEEDED; 9833 } 9834 } 9835 9836 static String getAsecPackageName(String packageCid) { 9837 int idx = packageCid.lastIndexOf("-"); 9838 if (idx == -1) { 9839 return packageCid; 9840 } 9841 return packageCid.substring(0, idx); 9842 } 9843 9844 // Utility method used to create code paths based on package name and available index. 9845 private static String getNextCodePath(String oldCodePath, String prefix, String suffix) { 9846 String idxStr = ""; 9847 int idx = 1; 9848 // Fall back to default value of idx=1 if prefix is not 9849 // part of oldCodePath 9850 if (oldCodePath != null) { 9851 String subStr = oldCodePath; 9852 // Drop the suffix right away 9853 if (suffix != null && subStr.endsWith(suffix)) { 9854 subStr = subStr.substring(0, subStr.length() - suffix.length()); 9855 } 9856 // If oldCodePath already contains prefix find out the 9857 // ending index to either increment or decrement. 9858 int sidx = subStr.lastIndexOf(prefix); 9859 if (sidx != -1) { 9860 subStr = subStr.substring(sidx + prefix.length()); 9861 if (subStr != null) { 9862 if (subStr.startsWith(INSTALL_PACKAGE_SUFFIX)) { 9863 subStr = subStr.substring(INSTALL_PACKAGE_SUFFIX.length()); 9864 } 9865 try { 9866 idx = Integer.parseInt(subStr); 9867 if (idx <= 1) { 9868 idx++; 9869 } else { 9870 idx--; 9871 } 9872 } catch(NumberFormatException e) { 9873 } 9874 } 9875 } 9876 } 9877 idxStr = INSTALL_PACKAGE_SUFFIX + Integer.toString(idx); 9878 return prefix + idxStr; 9879 } 9880 9881 private File getNextCodePath(String packageName) { 9882 int suffix = 1; 9883 File result; 9884 do { 9885 result = new File(mAppInstallDir, packageName + "-" + suffix); 9886 suffix++; 9887 } while (result.exists()); 9888 return result; 9889 } 9890 9891 // Utility method used to ignore ADD/REMOVE events 9892 // by directory observer. 9893 private static boolean ignoreCodePath(String fullPathStr) { 9894 String apkName = deriveCodePathName(fullPathStr); 9895 int idx = apkName.lastIndexOf(INSTALL_PACKAGE_SUFFIX); 9896 if (idx != -1 && ((idx+1) < apkName.length())) { 9897 // Make sure the package ends with a numeral 9898 String version = apkName.substring(idx+1); 9899 try { 9900 Integer.parseInt(version); 9901 return true; 9902 } catch (NumberFormatException e) {} 9903 } 9904 return false; 9905 } 9906 9907 // Utility method that returns the relative package path with respect 9908 // to the installation directory. Like say for /data/data/com.test-1.apk 9909 // string com.test-1 is returned. 9910 static String deriveCodePathName(String codePath) { 9911 if (codePath == null) { 9912 return null; 9913 } 9914 final File codeFile = new File(codePath); 9915 final String name = codeFile.getName(); 9916 if (codeFile.isDirectory()) { 9917 return name; 9918 } else if (name.endsWith(".apk") || name.endsWith(".tmp")) { 9919 final int lastDot = name.lastIndexOf('.'); 9920 return name.substring(0, lastDot); 9921 } else { 9922 Slog.w(TAG, "Odd, " + codePath + " doesn't look like an APK"); 9923 return null; 9924 } 9925 } 9926 9927 class PackageInstalledInfo { 9928 String name; 9929 int uid; 9930 // The set of users that originally had this package installed. 9931 int[] origUsers; 9932 // The set of users that now have this package installed. 9933 int[] newUsers; 9934 PackageParser.Package pkg; 9935 int returnCode; 9936 String returnMsg; 9937 PackageRemovedInfo removedInfo; 9938 9939 public void setError(int code, String msg) { 9940 returnCode = code; 9941 returnMsg = msg; 9942 Slog.w(TAG, msg); 9943 } 9944 9945 public void setError(String msg, PackageParserException e) { 9946 returnCode = e.error; 9947 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9948 Slog.w(TAG, msg, e); 9949 } 9950 9951 public void setError(String msg, PackageManagerException e) { 9952 returnCode = e.error; 9953 returnMsg = ExceptionUtils.getCompleteMessage(msg, e); 9954 Slog.w(TAG, msg, e); 9955 } 9956 9957 // In some error cases we want to convey more info back to the observer 9958 String origPackage; 9959 String origPermission; 9960 } 9961 9962 /* 9963 * Install a non-existing package. 9964 */ 9965 private void installNewPackageLI(PackageParser.Package pkg, 9966 int parseFlags, int scanFlags, UserHandle user, 9967 String installerPackageName, PackageInstalledInfo res) { 9968 // Remember this for later, in case we need to rollback this install 9969 String pkgName = pkg.packageName; 9970 9971 if (DEBUG_INSTALL) Slog.d(TAG, "installNewPackageLI: " + pkg); 9972 boolean dataDirExists = getDataPathForPackage(pkg.packageName, 0).exists(); 9973 synchronized(mPackages) { 9974 if (mSettings.mRenamedPackages.containsKey(pkgName)) { 9975 // A package with the same name is already installed, though 9976 // it has been renamed to an older name. The package we 9977 // are trying to install should be installed as an update to 9978 // the existing one, but that has not been requested, so bail. 9979 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9980 + " without first uninstalling package running as " 9981 + mSettings.mRenamedPackages.get(pkgName)); 9982 return; 9983 } 9984 if (mPackages.containsKey(pkgName)) { 9985 // Don't allow installation over an existing package with the same name. 9986 res.setError(INSTALL_FAILED_ALREADY_EXISTS, "Attempt to re-install " + pkgName 9987 + " without first uninstalling."); 9988 return; 9989 } 9990 } 9991 9992 try { 9993 PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 9994 System.currentTimeMillis(), user); 9995 9996 updateSettingsLI(newPackage, installerPackageName, null, null, res); 9997 // delete the partially installed application. the data directory will have to be 9998 // restored if it was already existing 9999 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10000 // remove package from internal structures. Note that we want deletePackageX to 10001 // delete the package data and cache directories that it created in 10002 // scanPackageLocked, unless those directories existed before we even tried to 10003 // install. 10004 deletePackageLI(pkgName, UserHandle.ALL, false, null, null, 10005 dataDirExists ? PackageManager.DELETE_KEEP_DATA : 0, 10006 res.removedInfo, true); 10007 } 10008 10009 } catch (PackageManagerException e) { 10010 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10011 } 10012 } 10013 10014 private boolean checkUpgradeKeySetLP(PackageSetting oldPS, PackageParser.Package newPkg) { 10015 // Upgrade keysets are being used. Determine if new package has a superset of the 10016 // required keys. 10017 long[] upgradeKeySets = oldPS.keySetData.getUpgradeKeySets(); 10018 KeySetManagerService ksms = mSettings.mKeySetManagerService; 10019 for (int i = 0; i < upgradeKeySets.length; i++) { 10020 Set<PublicKey> upgradeSet = ksms.getPublicKeysFromKeySetLPr(upgradeKeySets[i]); 10021 if (newPkg.mSigningKeys.containsAll(upgradeSet)) { 10022 return true; 10023 } 10024 } 10025 return false; 10026 } 10027 10028 private void replacePackageLI(PackageParser.Package pkg, 10029 int parseFlags, int scanFlags, UserHandle user, 10030 String installerPackageName, PackageInstalledInfo res) { 10031 PackageParser.Package oldPackage; 10032 String pkgName = pkg.packageName; 10033 int[] allUsers; 10034 boolean[] perUserInstalled; 10035 10036 // First find the old package info and check signatures 10037 synchronized(mPackages) { 10038 oldPackage = mPackages.get(pkgName); 10039 if (DEBUG_INSTALL) Slog.d(TAG, "replacePackageLI: new=" + pkg + ", old=" + oldPackage); 10040 PackageSetting ps = mSettings.mPackages.get(pkgName); 10041 if (ps == null || !ps.keySetData.isUsingUpgradeKeySets() || ps.sharedUser != null) { 10042 // default to original signature matching 10043 if (compareSignatures(oldPackage.mSignatures, pkg.mSignatures) 10044 != PackageManager.SIGNATURE_MATCH) { 10045 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10046 "New package has a different signature: " + pkgName); 10047 return; 10048 } 10049 } else { 10050 if(!checkUpgradeKeySetLP(ps, pkg)) { 10051 res.setError(INSTALL_PARSE_FAILED_INCONSISTENT_CERTIFICATES, 10052 "New package not signed by keys specified by upgrade-keysets: " 10053 + pkgName); 10054 return; 10055 } 10056 } 10057 10058 // In case of rollback, remember per-user/profile install state 10059 allUsers = sUserManager.getUserIds(); 10060 perUserInstalled = new boolean[allUsers.length]; 10061 for (int i = 0; i < allUsers.length; i++) { 10062 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10063 } 10064 } 10065 10066 boolean sysPkg = (isSystemApp(oldPackage)); 10067 if (sysPkg) { 10068 replaceSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10069 user, allUsers, perUserInstalled, installerPackageName, res); 10070 } else { 10071 replaceNonSystemPackageLI(oldPackage, pkg, parseFlags, scanFlags, 10072 user, allUsers, perUserInstalled, installerPackageName, res); 10073 } 10074 } 10075 10076 private void replaceNonSystemPackageLI(PackageParser.Package deletedPackage, 10077 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10078 int[] allUsers, boolean[] perUserInstalled, 10079 String installerPackageName, PackageInstalledInfo res) { 10080 String pkgName = deletedPackage.packageName; 10081 boolean deletedPkg = true; 10082 boolean updatedSettings = false; 10083 10084 if (DEBUG_INSTALL) Slog.d(TAG, "replaceNonSystemPackageLI: new=" + pkg + ", old=" 10085 + deletedPackage); 10086 long origUpdateTime; 10087 if (pkg.mExtras != null) { 10088 origUpdateTime = ((PackageSetting)pkg.mExtras).lastUpdateTime; 10089 } else { 10090 origUpdateTime = 0; 10091 } 10092 10093 // First delete the existing package while retaining the data directory 10094 if (!deletePackageLI(pkgName, null, true, null, null, PackageManager.DELETE_KEEP_DATA, 10095 res.removedInfo, true)) { 10096 // If the existing package wasn't successfully deleted 10097 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, "replaceNonSystemPackageLI"); 10098 deletedPkg = false; 10099 } else { 10100 // Successfully deleted the old package; proceed with replace. 10101 10102 // If deleted package lived in a container, give users a chance to 10103 // relinquish resources before killing. 10104 if (isForwardLocked(deletedPackage) || isExternal(deletedPackage)) { 10105 if (DEBUG_INSTALL) { 10106 Slog.i(TAG, "upgrading pkg " + deletedPackage + " is ASEC-hosted -> UNAVAILABLE"); 10107 } 10108 final int[] uidArray = new int[] { deletedPackage.applicationInfo.uid }; 10109 final ArrayList<String> pkgList = new ArrayList<String>(1); 10110 pkgList.add(deletedPackage.applicationInfo.packageName); 10111 sendResourcesChangedBroadcast(false, true, pkgList, uidArray, null); 10112 } 10113 10114 deleteCodeCacheDirsLI(pkgName); 10115 try { 10116 final PackageParser.Package newPackage = scanPackageLI(pkg, parseFlags, 10117 scanFlags | SCAN_UPDATE_TIME, System.currentTimeMillis(), user); 10118 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10119 updatedSettings = true; 10120 } catch (PackageManagerException e) { 10121 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10122 } 10123 } 10124 10125 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10126 // remove package from internal structures. Note that we want deletePackageX to 10127 // delete the package data and cache directories that it created in 10128 // scanPackageLocked, unless those directories existed before we even tried to 10129 // install. 10130 if(updatedSettings) { 10131 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, rolling pack: " + pkgName); 10132 deletePackageLI( 10133 pkgName, null, true, allUsers, perUserInstalled, 10134 PackageManager.DELETE_KEEP_DATA, 10135 res.removedInfo, true); 10136 } 10137 // Since we failed to install the new package we need to restore the old 10138 // package that we deleted. 10139 if (deletedPkg) { 10140 if (DEBUG_INSTALL) Slog.d(TAG, "Install failed, reinstalling: " + deletedPackage); 10141 File restoreFile = new File(deletedPackage.codePath); 10142 // Parse old package 10143 boolean oldOnSd = isExternal(deletedPackage); 10144 int oldParseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY | 10145 (isForwardLocked(deletedPackage) ? PackageParser.PARSE_FORWARD_LOCK : 0) | 10146 (oldOnSd ? PackageParser.PARSE_ON_SDCARD : 0); 10147 int oldScanFlags = SCAN_UPDATE_SIGNATURE | SCAN_UPDATE_TIME; 10148 try { 10149 scanPackageLI(restoreFile, oldParseFlags, oldScanFlags, origUpdateTime, null); 10150 } catch (PackageManagerException e) { 10151 Slog.e(TAG, "Failed to restore package : " + pkgName + " after failed upgrade: " 10152 + e.getMessage()); 10153 return; 10154 } 10155 // Restore of old package succeeded. Update permissions. 10156 // writer 10157 synchronized (mPackages) { 10158 updatePermissionsLPw(deletedPackage.packageName, deletedPackage, 10159 UPDATE_PERMISSIONS_ALL); 10160 // can downgrade to reader 10161 mSettings.writeLPr(); 10162 } 10163 Slog.i(TAG, "Successfully restored package : " + pkgName + " after failed upgrade"); 10164 } 10165 } 10166 } 10167 10168 private void replaceSystemPackageLI(PackageParser.Package deletedPackage, 10169 PackageParser.Package pkg, int parseFlags, int scanFlags, UserHandle user, 10170 int[] allUsers, boolean[] perUserInstalled, 10171 String installerPackageName, PackageInstalledInfo res) { 10172 if (DEBUG_INSTALL) Slog.d(TAG, "replaceSystemPackageLI: new=" + pkg 10173 + ", old=" + deletedPackage); 10174 boolean disabledSystem = false; 10175 boolean updatedSettings = false; 10176 parseFlags |= PackageParser.PARSE_IS_SYSTEM; 10177 if ((deletedPackage.applicationInfo.flags&ApplicationInfo.FLAG_PRIVILEGED) != 0) { 10178 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10179 } 10180 String packageName = deletedPackage.packageName; 10181 if (packageName == null) { 10182 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10183 "Attempt to delete null packageName."); 10184 return; 10185 } 10186 PackageParser.Package oldPkg; 10187 PackageSetting oldPkgSetting; 10188 // reader 10189 synchronized (mPackages) { 10190 oldPkg = mPackages.get(packageName); 10191 oldPkgSetting = mSettings.mPackages.get(packageName); 10192 if((oldPkg == null) || (oldPkg.applicationInfo == null) || 10193 (oldPkgSetting == null)) { 10194 res.setError(INSTALL_FAILED_REPLACE_COULDNT_DELETE, 10195 "Couldn't find package:" + packageName + " information"); 10196 return; 10197 } 10198 } 10199 10200 killApplication(packageName, oldPkg.applicationInfo.uid, "replace sys pkg"); 10201 10202 res.removedInfo.uid = oldPkg.applicationInfo.uid; 10203 res.removedInfo.removedPackage = packageName; 10204 // Remove existing system package 10205 removePackageLI(oldPkgSetting, true); 10206 // writer 10207 synchronized (mPackages) { 10208 disabledSystem = mSettings.disableSystemPackageLPw(packageName); 10209 if (!disabledSystem && deletedPackage != null) { 10210 // We didn't need to disable the .apk as a current system package, 10211 // which means we are replacing another update that is already 10212 // installed. We need to make sure to delete the older one's .apk. 10213 res.removedInfo.args = createInstallArgsForExisting(0, 10214 deletedPackage.applicationInfo.getCodePath(), 10215 deletedPackage.applicationInfo.getResourcePath(), 10216 deletedPackage.applicationInfo.nativeLibraryRootDir, 10217 getAppDexInstructionSets(deletedPackage.applicationInfo)); 10218 } else { 10219 res.removedInfo.args = null; 10220 } 10221 } 10222 10223 // Successfully disabled the old package. Now proceed with re-installation 10224 deleteCodeCacheDirsLI(packageName); 10225 10226 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10227 pkg.applicationInfo.flags |= ApplicationInfo.FLAG_UPDATED_SYSTEM_APP; 10228 10229 PackageParser.Package newPackage = null; 10230 try { 10231 newPackage = scanPackageLI(pkg, parseFlags, scanFlags, 0, user); 10232 if (newPackage.mExtras != null) { 10233 final PackageSetting newPkgSetting = (PackageSetting) newPackage.mExtras; 10234 newPkgSetting.firstInstallTime = oldPkgSetting.firstInstallTime; 10235 newPkgSetting.lastUpdateTime = System.currentTimeMillis(); 10236 10237 // is the update attempting to change shared user? that isn't going to work... 10238 if (oldPkgSetting.sharedUser != newPkgSetting.sharedUser) { 10239 res.setError(INSTALL_FAILED_SHARED_USER_INCOMPATIBLE, 10240 "Forbidding shared user change from " + oldPkgSetting.sharedUser 10241 + " to " + newPkgSetting.sharedUser); 10242 updatedSettings = true; 10243 } 10244 } 10245 10246 if (res.returnCode == PackageManager.INSTALL_SUCCEEDED) { 10247 updateSettingsLI(newPackage, installerPackageName, allUsers, perUserInstalled, res); 10248 updatedSettings = true; 10249 } 10250 10251 } catch (PackageManagerException e) { 10252 res.setError("Package couldn't be installed in " + pkg.codePath, e); 10253 } 10254 10255 if (res.returnCode != PackageManager.INSTALL_SUCCEEDED) { 10256 // Re installation failed. Restore old information 10257 // Remove new pkg information 10258 if (newPackage != null) { 10259 removeInstalledPackageLI(newPackage, true); 10260 } 10261 // Add back the old system package 10262 try { 10263 scanPackageLI(oldPkg, parseFlags, SCAN_UPDATE_SIGNATURE, 0, user); 10264 } catch (PackageManagerException e) { 10265 Slog.e(TAG, "Failed to restore original package: " + e.getMessage()); 10266 } 10267 // Restore the old system information in Settings 10268 synchronized (mPackages) { 10269 if (disabledSystem) { 10270 mSettings.enableSystemPackageLPw(packageName); 10271 } 10272 if (updatedSettings) { 10273 mSettings.setInstallerPackageName(packageName, 10274 oldPkgSetting.installerPackageName); 10275 } 10276 mSettings.writeLPr(); 10277 } 10278 } 10279 } 10280 10281 private void updateSettingsLI(PackageParser.Package newPackage, String installerPackageName, 10282 int[] allUsers, boolean[] perUserInstalled, 10283 PackageInstalledInfo res) { 10284 String pkgName = newPackage.packageName; 10285 synchronized (mPackages) { 10286 //write settings. the installStatus will be incomplete at this stage. 10287 //note that the new package setting would have already been 10288 //added to mPackages. It hasn't been persisted yet. 10289 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_INCOMPLETE); 10290 mSettings.writeLPr(); 10291 } 10292 10293 if (DEBUG_INSTALL) Slog.d(TAG, "New package installed in " + newPackage.codePath); 10294 10295 synchronized (mPackages) { 10296 updatePermissionsLPw(newPackage.packageName, newPackage, 10297 UPDATE_PERMISSIONS_REPLACE_PKG | (newPackage.permissions.size() > 0 10298 ? UPDATE_PERMISSIONS_ALL : 0)); 10299 // For system-bundled packages, we assume that installing an upgraded version 10300 // of the package implies that the user actually wants to run that new code, 10301 // so we enable the package. 10302 if (isSystemApp(newPackage)) { 10303 // NB: implicit assumption that system package upgrades apply to all users 10304 if (DEBUG_INSTALL) { 10305 Slog.d(TAG, "Implicitly enabling system package on upgrade: " + pkgName); 10306 } 10307 PackageSetting ps = mSettings.mPackages.get(pkgName); 10308 if (ps != null) { 10309 if (res.origUsers != null) { 10310 for (int userHandle : res.origUsers) { 10311 ps.setEnabled(COMPONENT_ENABLED_STATE_DEFAULT, 10312 userHandle, installerPackageName); 10313 } 10314 } 10315 // Also convey the prior install/uninstall state 10316 if (allUsers != null && perUserInstalled != null) { 10317 for (int i = 0; i < allUsers.length; i++) { 10318 if (DEBUG_INSTALL) { 10319 Slog.d(TAG, " user " + allUsers[i] 10320 + " => " + perUserInstalled[i]); 10321 } 10322 ps.setInstalled(perUserInstalled[i], allUsers[i]); 10323 } 10324 // these install state changes will be persisted in the 10325 // upcoming call to mSettings.writeLPr(). 10326 } 10327 } 10328 } 10329 res.name = pkgName; 10330 res.uid = newPackage.applicationInfo.uid; 10331 res.pkg = newPackage; 10332 mSettings.setInstallStatus(pkgName, PackageSettingBase.PKG_INSTALL_COMPLETE); 10333 mSettings.setInstallerPackageName(pkgName, installerPackageName); 10334 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10335 //to update install status 10336 mSettings.writeLPr(); 10337 } 10338 } 10339 10340 private void installPackageLI(InstallArgs args, PackageInstalledInfo res) { 10341 final int installFlags = args.installFlags; 10342 String installerPackageName = args.installerPackageName; 10343 File tmpPackageFile = new File(args.getCodePath()); 10344 boolean forwardLocked = ((installFlags & PackageManager.INSTALL_FORWARD_LOCK) != 0); 10345 boolean onSd = ((installFlags & PackageManager.INSTALL_EXTERNAL) != 0); 10346 boolean replace = false; 10347 final int scanFlags = SCAN_NEW_INSTALL | SCAN_FORCE_DEX | SCAN_UPDATE_SIGNATURE; 10348 // Result object to be returned 10349 res.returnCode = PackageManager.INSTALL_SUCCEEDED; 10350 10351 if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile); 10352 // Retrieve PackageSettings and parse package 10353 final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY 10354 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0) 10355 | (onSd ? PackageParser.PARSE_ON_SDCARD : 0); 10356 PackageParser pp = new PackageParser(); 10357 pp.setSeparateProcesses(mSeparateProcesses); 10358 pp.setDisplayMetrics(mMetrics); 10359 10360 final PackageParser.Package pkg; 10361 try { 10362 pkg = pp.parsePackage(tmpPackageFile, parseFlags); 10363 } catch (PackageParserException e) { 10364 res.setError("Failed parse during installPackageLI", e); 10365 return; 10366 } 10367 10368 // Mark that we have an install time CPU ABI override. 10369 pkg.cpuAbiOverride = args.abiOverride; 10370 10371 String pkgName = res.name = pkg.packageName; 10372 if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) { 10373 if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) { 10374 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI"); 10375 return; 10376 } 10377 } 10378 10379 try { 10380 pp.collectCertificates(pkg, parseFlags); 10381 pp.collectManifestDigest(pkg); 10382 } catch (PackageParserException e) { 10383 res.setError("Failed collect during installPackageLI", e); 10384 return; 10385 } 10386 10387 /* If the installer passed in a manifest digest, compare it now. */ 10388 if (args.manifestDigest != null) { 10389 if (DEBUG_INSTALL) { 10390 final String parsedManifest = pkg.manifestDigest == null ? "null" 10391 : pkg.manifestDigest.toString(); 10392 Slog.d(TAG, "Comparing manifests: " + args.manifestDigest.toString() + " vs. " 10393 + parsedManifest); 10394 } 10395 10396 if (!args.manifestDigest.equals(pkg.manifestDigest)) { 10397 res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "Manifest digest changed"); 10398 return; 10399 } 10400 } else if (DEBUG_INSTALL) { 10401 final String parsedManifest = pkg.manifestDigest == null 10402 ? "null" : pkg.manifestDigest.toString(); 10403 Slog.d(TAG, "manifestDigest was not present, but parser got: " + parsedManifest); 10404 } 10405 10406 // Get rid of all references to package scan path via parser. 10407 pp = null; 10408 String oldCodePath = null; 10409 boolean systemApp = false; 10410 synchronized (mPackages) { 10411 // Check whether the newly-scanned package wants to define an already-defined perm 10412 int N = pkg.permissions.size(); 10413 for (int i = N-1; i >= 0; i--) { 10414 PackageParser.Permission perm = pkg.permissions.get(i); 10415 BasePermission bp = mSettings.mPermissions.get(perm.info.name); 10416 if (bp != null) { 10417 // If the defining package is signed with our cert, it's okay. This 10418 // also includes the "updating the same package" case, of course. 10419 // "updating same package" could also involve key-rotation. 10420 final boolean sigsOk; 10421 if (!bp.sourcePackage.equals(pkg.packageName) 10422 || !(bp.packageSetting instanceof PackageSetting) 10423 || !bp.packageSetting.keySetData.isUsingUpgradeKeySets() 10424 || ((PackageSetting) bp.packageSetting).sharedUser != null) { 10425 sigsOk = compareSignatures(bp.packageSetting.signatures.mSignatures, 10426 pkg.mSignatures) == PackageManager.SIGNATURE_MATCH; 10427 } else { 10428 sigsOk = checkUpgradeKeySetLP((PackageSetting) bp.packageSetting, pkg); 10429 } 10430 if (!sigsOk) { 10431 // If the owning package is the system itself, we log but allow 10432 // install to proceed; we fail the install on all other permission 10433 // redefinitions. 10434 if (!bp.sourcePackage.equals("android")) { 10435 res.setError(INSTALL_FAILED_DUPLICATE_PERMISSION, "Package " 10436 + pkg.packageName + " attempting to redeclare permission " 10437 + perm.info.name + " already owned by " + bp.sourcePackage); 10438 res.origPermission = perm.info.name; 10439 res.origPackage = bp.sourcePackage; 10440 return; 10441 } else { 10442 Slog.w(TAG, "Package " + pkg.packageName 10443 + " attempting to redeclare system permission " 10444 + perm.info.name + "; ignoring new declaration"); 10445 pkg.permissions.remove(i); 10446 } 10447 } 10448 } 10449 } 10450 10451 // Check if installing already existing package 10452 if ((installFlags & PackageManager.INSTALL_REPLACE_EXISTING) != 0) { 10453 String oldName = mSettings.mRenamedPackages.get(pkgName); 10454 if (pkg.mOriginalPackages != null 10455 && pkg.mOriginalPackages.contains(oldName) 10456 && mPackages.containsKey(oldName)) { 10457 // This package is derived from an original package, 10458 // and this device has been updating from that original 10459 // name. We must continue using the original name, so 10460 // rename the new package here. 10461 pkg.setPackageName(oldName); 10462 pkgName = pkg.packageName; 10463 replace = true; 10464 if (DEBUG_INSTALL) Slog.d(TAG, "Replacing existing renamed package: oldName=" 10465 + oldName + " pkgName=" + pkgName); 10466 } else if (mPackages.containsKey(pkgName)) { 10467 // This package, under its official name, already exists 10468 // on the device; we should replace it. 10469 replace = true; 10470 if (DEBUG_INSTALL) Slog.d(TAG, "Replace existing pacakge: " + pkgName); 10471 } 10472 } 10473 PackageSetting ps = mSettings.mPackages.get(pkgName); 10474 if (ps != null) { 10475 if (DEBUG_INSTALL) Slog.d(TAG, "Existing package: " + ps); 10476 oldCodePath = mSettings.mPackages.get(pkgName).codePathString; 10477 if (ps.pkg != null && ps.pkg.applicationInfo != null) { 10478 systemApp = (ps.pkg.applicationInfo.flags & 10479 ApplicationInfo.FLAG_SYSTEM) != 0; 10480 } 10481 res.origUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10482 } 10483 } 10484 10485 if (systemApp && onSd) { 10486 // Disable updates to system apps on sdcard 10487 res.setError(INSTALL_FAILED_INVALID_INSTALL_LOCATION, 10488 "Cannot install updates to system apps on sdcard"); 10489 return; 10490 } 10491 10492 if (!args.doRename(res.returnCode, pkg, oldCodePath)) { 10493 res.setError(INSTALL_FAILED_INSUFFICIENT_STORAGE, "Failed rename"); 10494 return; 10495 } 10496 10497 if (replace) { 10498 replacePackageLI(pkg, parseFlags, scanFlags | SCAN_REPLACING, args.user, 10499 installerPackageName, res); 10500 } else { 10501 installNewPackageLI(pkg, parseFlags, scanFlags | SCAN_DELETE_DATA_ON_FAILURES, 10502 args.user, installerPackageName, res); 10503 } 10504 synchronized (mPackages) { 10505 final PackageSetting ps = mSettings.mPackages.get(pkgName); 10506 if (ps != null) { 10507 res.newUsers = ps.queryInstalledUsers(sUserManager.getUserIds(), true); 10508 } 10509 } 10510 } 10511 10512 private static boolean isForwardLocked(PackageParser.Package pkg) { 10513 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10514 } 10515 10516 private static boolean isForwardLocked(ApplicationInfo info) { 10517 return (info.flags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10518 } 10519 10520 private boolean isForwardLocked(PackageSetting ps) { 10521 return (ps.pkgFlags & ApplicationInfo.FLAG_FORWARD_LOCK) != 0; 10522 } 10523 10524 private static boolean isMultiArch(PackageSetting ps) { 10525 return (ps.pkgFlags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10526 } 10527 10528 private static boolean isMultiArch(ApplicationInfo info) { 10529 return (info.flags & ApplicationInfo.FLAG_MULTIARCH) != 0; 10530 } 10531 10532 private static boolean isExternal(PackageParser.Package pkg) { 10533 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10534 } 10535 10536 private static boolean isExternal(PackageSetting ps) { 10537 return (ps.pkgFlags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10538 } 10539 10540 private static boolean isExternal(ApplicationInfo info) { 10541 return (info.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0; 10542 } 10543 10544 private static boolean isSystemApp(PackageParser.Package pkg) { 10545 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10546 } 10547 10548 private static boolean isPrivilegedApp(PackageParser.Package pkg) { 10549 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_PRIVILEGED) != 0; 10550 } 10551 10552 private static boolean isSystemApp(ApplicationInfo info) { 10553 return (info.flags & ApplicationInfo.FLAG_SYSTEM) != 0; 10554 } 10555 10556 private static boolean isSystemApp(PackageSetting ps) { 10557 return (ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0; 10558 } 10559 10560 private static boolean isUpdatedSystemApp(PackageSetting ps) { 10561 return (ps.pkgFlags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10562 } 10563 10564 private static boolean isUpdatedSystemApp(PackageParser.Package pkg) { 10565 return (pkg.applicationInfo.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10566 } 10567 10568 private static boolean isUpdatedSystemApp(ApplicationInfo info) { 10569 return (info.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != 0; 10570 } 10571 10572 private int packageFlagsToInstallFlags(PackageSetting ps) { 10573 int installFlags = 0; 10574 if (isExternal(ps)) { 10575 installFlags |= PackageManager.INSTALL_EXTERNAL; 10576 } 10577 if (isForwardLocked(ps)) { 10578 installFlags |= PackageManager.INSTALL_FORWARD_LOCK; 10579 } 10580 return installFlags; 10581 } 10582 10583 private void deleteTempPackageFiles() { 10584 final FilenameFilter filter = new FilenameFilter() { 10585 public boolean accept(File dir, String name) { 10586 return name.startsWith("vmdl") && name.endsWith(".tmp"); 10587 } 10588 }; 10589 for (File file : mDrmAppPrivateInstallDir.listFiles(filter)) { 10590 file.delete(); 10591 } 10592 } 10593 10594 @Override 10595 public void deletePackageAsUser(String packageName, IPackageDeleteObserver observer, int userId, 10596 int flags) { 10597 deletePackage(packageName, new LegacyPackageDeleteObserver(observer).getBinder(), userId, 10598 flags); 10599 } 10600 10601 @Override 10602 public void deletePackage(final String packageName, 10603 final IPackageDeleteObserver2 observer, final int userId, final int flags) { 10604 mContext.enforceCallingOrSelfPermission( 10605 android.Manifest.permission.DELETE_PACKAGES, null); 10606 final int uid = Binder.getCallingUid(); 10607 if (UserHandle.getUserId(uid) != userId) { 10608 mContext.enforceCallingPermission( 10609 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, 10610 "deletePackage for user " + userId); 10611 } 10612 if (isUserRestricted(userId, UserManager.DISALLOW_UNINSTALL_APPS)) { 10613 try { 10614 observer.onPackageDeleted(packageName, 10615 PackageManager.DELETE_FAILED_USER_RESTRICTED, null); 10616 } catch (RemoteException re) { 10617 } 10618 return; 10619 } 10620 10621 boolean uninstallBlocked = false; 10622 if ((flags & PackageManager.DELETE_ALL_USERS) != 0) { 10623 int[] users = sUserManager.getUserIds(); 10624 for (int i = 0; i < users.length; ++i) { 10625 if (getBlockUninstallForUser(packageName, users[i])) { 10626 uninstallBlocked = true; 10627 break; 10628 } 10629 } 10630 } else { 10631 uninstallBlocked = getBlockUninstallForUser(packageName, userId); 10632 } 10633 if (uninstallBlocked) { 10634 try { 10635 observer.onPackageDeleted(packageName, PackageManager.DELETE_FAILED_OWNER_BLOCKED, 10636 null); 10637 } catch (RemoteException re) { 10638 } 10639 return; 10640 } 10641 10642 if (DEBUG_REMOVE) { 10643 Slog.d(TAG, "deletePackageAsUser: pkg=" + packageName + " user=" + userId); 10644 } 10645 // Queue up an async operation since the package deletion may take a little while. 10646 mHandler.post(new Runnable() { 10647 public void run() { 10648 mHandler.removeCallbacks(this); 10649 final int returnCode = deletePackageX(packageName, userId, flags); 10650 if (observer != null) { 10651 try { 10652 observer.onPackageDeleted(packageName, returnCode, null); 10653 } catch (RemoteException e) { 10654 Log.i(TAG, "Observer no longer exists."); 10655 } //end catch 10656 } //end if 10657 } //end run 10658 }); 10659 } 10660 10661 private boolean isPackageDeviceAdmin(String packageName, int userId) { 10662 IDevicePolicyManager dpm = IDevicePolicyManager.Stub.asInterface( 10663 ServiceManager.getService(Context.DEVICE_POLICY_SERVICE)); 10664 try { 10665 if (dpm != null) { 10666 if (dpm.isDeviceOwner(packageName)) { 10667 return true; 10668 } 10669 int[] users; 10670 if (userId == UserHandle.USER_ALL) { 10671 users = sUserManager.getUserIds(); 10672 } else { 10673 users = new int[]{userId}; 10674 } 10675 for (int i = 0; i < users.length; ++i) { 10676 if (dpm.packageHasActiveAdmins(packageName, users[i])) { 10677 return true; 10678 } 10679 } 10680 } 10681 } catch (RemoteException e) { 10682 } 10683 return false; 10684 } 10685 10686 /** 10687 * This method is an internal method that could be get invoked either 10688 * to delete an installed package or to clean up a failed installation. 10689 * After deleting an installed package, a broadcast is sent to notify any 10690 * listeners that the package has been installed. For cleaning up a failed 10691 * installation, the broadcast is not necessary since the package's 10692 * installation wouldn't have sent the initial broadcast either 10693 * The key steps in deleting a package are 10694 * deleting the package information in internal structures like mPackages, 10695 * deleting the packages base directories through installd 10696 * updating mSettings to reflect current status 10697 * persisting settings for later use 10698 * sending a broadcast if necessary 10699 */ 10700 private int deletePackageX(String packageName, int userId, int flags) { 10701 final PackageRemovedInfo info = new PackageRemovedInfo(); 10702 final boolean res; 10703 10704 final UserHandle removeForUser = (flags & PackageManager.DELETE_ALL_USERS) != 0 10705 ? UserHandle.ALL : new UserHandle(userId); 10706 10707 if (isPackageDeviceAdmin(packageName, removeForUser.getIdentifier())) { 10708 Slog.w(TAG, "Not removing package " + packageName + ": has active device admin"); 10709 return PackageManager.DELETE_FAILED_DEVICE_POLICY_MANAGER; 10710 } 10711 10712 boolean removedForAllUsers = false; 10713 boolean systemUpdate = false; 10714 10715 // for the uninstall-updates case and restricted profiles, remember the per- 10716 // userhandle installed state 10717 int[] allUsers; 10718 boolean[] perUserInstalled; 10719 synchronized (mPackages) { 10720 PackageSetting ps = mSettings.mPackages.get(packageName); 10721 allUsers = sUserManager.getUserIds(); 10722 perUserInstalled = new boolean[allUsers.length]; 10723 for (int i = 0; i < allUsers.length; i++) { 10724 perUserInstalled[i] = ps != null ? ps.getInstalled(allUsers[i]) : false; 10725 } 10726 } 10727 10728 synchronized (mInstallLock) { 10729 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageX: pkg=" + packageName + " user=" + userId); 10730 res = deletePackageLI(packageName, removeForUser, 10731 true, allUsers, perUserInstalled, 10732 flags | REMOVE_CHATTY, info, true); 10733 systemUpdate = info.isRemovedPackageSystemUpdate; 10734 if (res && !systemUpdate && mPackages.get(packageName) == null) { 10735 removedForAllUsers = true; 10736 } 10737 if (DEBUG_REMOVE) Slog.d(TAG, "delete res: systemUpdate=" + systemUpdate 10738 + " removedForAllUsers=" + removedForAllUsers); 10739 } 10740 10741 if (res) { 10742 info.sendBroadcast(true, systemUpdate, removedForAllUsers); 10743 10744 // If the removed package was a system update, the old system package 10745 // was re-enabled; we need to broadcast this information 10746 if (systemUpdate) { 10747 Bundle extras = new Bundle(1); 10748 extras.putInt(Intent.EXTRA_UID, info.removedAppId >= 0 10749 ? info.removedAppId : info.uid); 10750 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10751 10752 sendPackageBroadcast(Intent.ACTION_PACKAGE_ADDED, packageName, 10753 extras, null, null, null); 10754 sendPackageBroadcast(Intent.ACTION_PACKAGE_REPLACED, packageName, 10755 extras, null, null, null); 10756 sendPackageBroadcast(Intent.ACTION_MY_PACKAGE_REPLACED, null, 10757 null, packageName, null, null); 10758 } 10759 } 10760 // Force a gc here. 10761 Runtime.getRuntime().gc(); 10762 // Delete the resources here after sending the broadcast to let 10763 // other processes clean up before deleting resources. 10764 if (info.args != null) { 10765 synchronized (mInstallLock) { 10766 info.args.doPostDeleteLI(true); 10767 } 10768 } 10769 10770 return res ? PackageManager.DELETE_SUCCEEDED : PackageManager.DELETE_FAILED_INTERNAL_ERROR; 10771 } 10772 10773 static class PackageRemovedInfo { 10774 String removedPackage; 10775 int uid = -1; 10776 int removedAppId = -1; 10777 int[] removedUsers = null; 10778 boolean isRemovedPackageSystemUpdate = false; 10779 // Clean up resources deleted packages. 10780 InstallArgs args = null; 10781 10782 void sendBroadcast(boolean fullRemove, boolean replacing, boolean removedForAllUsers) { 10783 Bundle extras = new Bundle(1); 10784 extras.putInt(Intent.EXTRA_UID, removedAppId >= 0 ? removedAppId : uid); 10785 extras.putBoolean(Intent.EXTRA_DATA_REMOVED, fullRemove); 10786 if (replacing) { 10787 extras.putBoolean(Intent.EXTRA_REPLACING, true); 10788 } 10789 extras.putBoolean(Intent.EXTRA_REMOVED_FOR_ALL_USERS, removedForAllUsers); 10790 if (removedPackage != null) { 10791 sendPackageBroadcast(Intent.ACTION_PACKAGE_REMOVED, removedPackage, 10792 extras, null, null, removedUsers); 10793 if (fullRemove && !replacing) { 10794 sendPackageBroadcast(Intent.ACTION_PACKAGE_FULLY_REMOVED, removedPackage, 10795 extras, null, null, removedUsers); 10796 } 10797 } 10798 if (removedAppId >= 0) { 10799 sendPackageBroadcast(Intent.ACTION_UID_REMOVED, null, extras, null, null, 10800 removedUsers); 10801 } 10802 } 10803 } 10804 10805 /* 10806 * This method deletes the package from internal data structures. If the DONT_DELETE_DATA 10807 * flag is not set, the data directory is removed as well. 10808 * make sure this flag is set for partially installed apps. If not its meaningless to 10809 * delete a partially installed application. 10810 */ 10811 private void removePackageDataLI(PackageSetting ps, 10812 int[] allUserHandles, boolean[] perUserInstalled, 10813 PackageRemovedInfo outInfo, int flags, boolean writeSettings) { 10814 String packageName = ps.name; 10815 if (DEBUG_REMOVE) Slog.d(TAG, "removePackageDataLI: " + ps); 10816 removePackageLI(ps, (flags&REMOVE_CHATTY) != 0); 10817 // Retrieve object to delete permissions for shared user later on 10818 final PackageSetting deletedPs; 10819 // reader 10820 synchronized (mPackages) { 10821 deletedPs = mSettings.mPackages.get(packageName); 10822 if (outInfo != null) { 10823 outInfo.removedPackage = packageName; 10824 outInfo.removedUsers = deletedPs != null 10825 ? deletedPs.queryInstalledUsers(sUserManager.getUserIds(), true) 10826 : null; 10827 } 10828 } 10829 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10830 removeDataDirsLI(packageName); 10831 schedulePackageCleaning(packageName, UserHandle.USER_ALL, true); 10832 } 10833 // writer 10834 synchronized (mPackages) { 10835 if (deletedPs != null) { 10836 if ((flags&PackageManager.DELETE_KEEP_DATA) == 0) { 10837 if (outInfo != null) { 10838 mSettings.mKeySetManagerService.removeAppKeySetDataLPw(packageName); 10839 outInfo.removedAppId = mSettings.removePackageLPw(packageName); 10840 } 10841 if (deletedPs != null) { 10842 updatePermissionsLPw(deletedPs.name, null, 0); 10843 if (deletedPs.sharedUser != null) { 10844 // remove permissions associated with package 10845 mSettings.updateSharedUserPermsLPw(deletedPs, mGlobalGids); 10846 } 10847 } 10848 clearPackagePreferredActivitiesLPw(deletedPs.name, UserHandle.USER_ALL); 10849 } 10850 // make sure to preserve per-user disabled state if this removal was just 10851 // a downgrade of a system app to the factory package 10852 if (allUserHandles != null && perUserInstalled != null) { 10853 if (DEBUG_REMOVE) { 10854 Slog.d(TAG, "Propagating install state across downgrade"); 10855 } 10856 for (int i = 0; i < allUserHandles.length; i++) { 10857 if (DEBUG_REMOVE) { 10858 Slog.d(TAG, " user " + allUserHandles[i] 10859 + " => " + perUserInstalled[i]); 10860 } 10861 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10862 } 10863 } 10864 } 10865 // can downgrade to reader 10866 if (writeSettings) { 10867 // Save settings now 10868 mSettings.writeLPr(); 10869 } 10870 } 10871 if (outInfo != null) { 10872 // A user ID was deleted here. Go through all users and remove it 10873 // from KeyStore. 10874 removeKeystoreDataIfNeeded(UserHandle.USER_ALL, outInfo.removedAppId); 10875 } 10876 } 10877 10878 static boolean locationIsPrivileged(File path) { 10879 try { 10880 final String privilegedAppDir = new File(Environment.getRootDirectory(), "priv-app") 10881 .getCanonicalPath(); 10882 return path.getCanonicalPath().startsWith(privilegedAppDir); 10883 } catch (IOException e) { 10884 Slog.e(TAG, "Unable to access code path " + path); 10885 } 10886 return false; 10887 } 10888 10889 /* 10890 * Tries to delete system package. 10891 */ 10892 private boolean deleteSystemPackageLI(PackageSetting newPs, 10893 int[] allUserHandles, boolean[] perUserInstalled, 10894 int flags, PackageRemovedInfo outInfo, boolean writeSettings) { 10895 final boolean applyUserRestrictions 10896 = (allUserHandles != null) && (perUserInstalled != null); 10897 PackageSetting disabledPs = null; 10898 // Confirm if the system package has been updated 10899 // An updated system app can be deleted. This will also have to restore 10900 // the system pkg from system partition 10901 // reader 10902 synchronized (mPackages) { 10903 disabledPs = mSettings.getDisabledSystemPkgLPr(newPs.name); 10904 } 10905 if (DEBUG_REMOVE) Slog.d(TAG, "deleteSystemPackageLI: newPs=" + newPs 10906 + " disabledPs=" + disabledPs); 10907 if (disabledPs == null) { 10908 Slog.w(TAG, "Attempt to delete unknown system package "+ newPs.name); 10909 return false; 10910 } else if (DEBUG_REMOVE) { 10911 Slog.d(TAG, "Deleting system pkg from data partition"); 10912 } 10913 if (DEBUG_REMOVE) { 10914 if (applyUserRestrictions) { 10915 Slog.d(TAG, "Remembering install states:"); 10916 for (int i = 0; i < allUserHandles.length; i++) { 10917 Slog.d(TAG, " u=" + allUserHandles[i] + " inst=" + perUserInstalled[i]); 10918 } 10919 } 10920 } 10921 // Delete the updated package 10922 outInfo.isRemovedPackageSystemUpdate = true; 10923 if (disabledPs.versionCode < newPs.versionCode) { 10924 // Delete data for downgrades 10925 flags &= ~PackageManager.DELETE_KEEP_DATA; 10926 } else { 10927 // Preserve data by setting flag 10928 flags |= PackageManager.DELETE_KEEP_DATA; 10929 } 10930 boolean ret = deleteInstalledPackageLI(newPs, true, flags, 10931 allUserHandles, perUserInstalled, outInfo, writeSettings); 10932 if (!ret) { 10933 return false; 10934 } 10935 // writer 10936 synchronized (mPackages) { 10937 // Reinstate the old system package 10938 mSettings.enableSystemPackageLPw(newPs.name); 10939 // Remove any native libraries from the upgraded package. 10940 NativeLibraryHelper.removeNativeBinariesLI(newPs.legacyNativeLibraryPathString); 10941 } 10942 // Install the system package 10943 if (DEBUG_REMOVE) Slog.d(TAG, "Re-installing system package: " + disabledPs); 10944 int parseFlags = PackageParser.PARSE_MUST_BE_APK | PackageParser.PARSE_IS_SYSTEM; 10945 if (locationIsPrivileged(disabledPs.codePath)) { 10946 parseFlags |= PackageParser.PARSE_IS_PRIVILEGED; 10947 } 10948 10949 final PackageParser.Package newPkg; 10950 try { 10951 newPkg = scanPackageLI(disabledPs.codePath, parseFlags, SCAN_NO_PATHS, 0, null); 10952 } catch (PackageManagerException e) { 10953 Slog.w(TAG, "Failed to restore system package:" + newPs.name + ": " + e.getMessage()); 10954 return false; 10955 } 10956 10957 // writer 10958 synchronized (mPackages) { 10959 PackageSetting ps = mSettings.mPackages.get(newPkg.packageName); 10960 updatePermissionsLPw(newPkg.packageName, newPkg, 10961 UPDATE_PERMISSIONS_ALL | UPDATE_PERMISSIONS_REPLACE_PKG); 10962 if (applyUserRestrictions) { 10963 if (DEBUG_REMOVE) { 10964 Slog.d(TAG, "Propagating install state across reinstall"); 10965 } 10966 for (int i = 0; i < allUserHandles.length; i++) { 10967 if (DEBUG_REMOVE) { 10968 Slog.d(TAG, " user " + allUserHandles[i] 10969 + " => " + perUserInstalled[i]); 10970 } 10971 ps.setInstalled(perUserInstalled[i], allUserHandles[i]); 10972 } 10973 // Regardless of writeSettings we need to ensure that this restriction 10974 // state propagation is persisted 10975 mSettings.writeAllUsersPackageRestrictionsLPr(); 10976 } 10977 // can downgrade to reader here 10978 if (writeSettings) { 10979 mSettings.writeLPr(); 10980 } 10981 } 10982 return true; 10983 } 10984 10985 private boolean deleteInstalledPackageLI(PackageSetting ps, 10986 boolean deleteCodeAndResources, int flags, 10987 int[] allUserHandles, boolean[] perUserInstalled, 10988 PackageRemovedInfo outInfo, boolean writeSettings) { 10989 if (outInfo != null) { 10990 outInfo.uid = ps.appId; 10991 } 10992 10993 // Delete package data from internal structures and also remove data if flag is set 10994 removePackageDataLI(ps, allUserHandles, perUserInstalled, outInfo, flags, writeSettings); 10995 10996 // Delete application code and resources 10997 if (deleteCodeAndResources && (outInfo != null)) { 10998 outInfo.args = createInstallArgsForExisting(packageFlagsToInstallFlags(ps), 10999 ps.codePathString, ps.resourcePathString, ps.legacyNativeLibraryPathString, 11000 getAppDexInstructionSets(ps)); 11001 if (DEBUG_SD_INSTALL) Slog.i(TAG, "args=" + outInfo.args); 11002 } 11003 return true; 11004 } 11005 11006 @Override 11007 public boolean setBlockUninstallForUser(String packageName, boolean blockUninstall, 11008 int userId) { 11009 mContext.enforceCallingOrSelfPermission( 11010 android.Manifest.permission.DELETE_PACKAGES, null); 11011 synchronized (mPackages) { 11012 PackageSetting ps = mSettings.mPackages.get(packageName); 11013 if (ps == null) { 11014 Log.i(TAG, "Package doesn't exist in set block uninstall " + packageName); 11015 return false; 11016 } 11017 if (!ps.getInstalled(userId)) { 11018 // Can't block uninstall for an app that is not installed or enabled. 11019 Log.i(TAG, "Package not installed in set block uninstall " + packageName); 11020 return false; 11021 } 11022 ps.setBlockUninstall(blockUninstall, userId); 11023 mSettings.writePackageRestrictionsLPr(userId); 11024 } 11025 return true; 11026 } 11027 11028 @Override 11029 public boolean getBlockUninstallForUser(String packageName, int userId) { 11030 synchronized (mPackages) { 11031 PackageSetting ps = mSettings.mPackages.get(packageName); 11032 if (ps == null) { 11033 Log.i(TAG, "Package doesn't exist in get block uninstall " + packageName); 11034 return false; 11035 } 11036 return ps.getBlockUninstall(userId); 11037 } 11038 } 11039 11040 /* 11041 * This method handles package deletion in general 11042 */ 11043 private boolean deletePackageLI(String packageName, UserHandle user, 11044 boolean deleteCodeAndResources, int[] allUserHandles, boolean[] perUserInstalled, 11045 int flags, PackageRemovedInfo outInfo, 11046 boolean writeSettings) { 11047 if (packageName == null) { 11048 Slog.w(TAG, "Attempt to delete null packageName."); 11049 return false; 11050 } 11051 if (DEBUG_REMOVE) Slog.d(TAG, "deletePackageLI: " + packageName + " user " + user); 11052 PackageSetting ps; 11053 boolean dataOnly = false; 11054 int removeUser = -1; 11055 int appId = -1; 11056 synchronized (mPackages) { 11057 ps = mSettings.mPackages.get(packageName); 11058 if (ps == null) { 11059 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11060 return false; 11061 } 11062 if ((!isSystemApp(ps) || (flags&PackageManager.DELETE_SYSTEM_APP) != 0) && user != null 11063 && user.getIdentifier() != UserHandle.USER_ALL) { 11064 // The caller is asking that the package only be deleted for a single 11065 // user. To do this, we just mark its uninstalled state and delete 11066 // its data. If this is a system app, we only allow this to happen if 11067 // they have set the special DELETE_SYSTEM_APP which requests different 11068 // semantics than normal for uninstalling system apps. 11069 if (DEBUG_REMOVE) Slog.d(TAG, "Only deleting for single user"); 11070 ps.setUserState(user.getIdentifier(), 11071 COMPONENT_ENABLED_STATE_DEFAULT, 11072 false, //installed 11073 true, //stopped 11074 true, //notLaunched 11075 false, //hidden 11076 null, null, null, 11077 false // blockUninstall 11078 ); 11079 if (!isSystemApp(ps)) { 11080 if (ps.isAnyInstalled(sUserManager.getUserIds())) { 11081 // Other user still have this package installed, so all 11082 // we need to do is clear this user's data and save that 11083 // it is uninstalled. 11084 if (DEBUG_REMOVE) Slog.d(TAG, "Still installed by other users"); 11085 removeUser = user.getIdentifier(); 11086 appId = ps.appId; 11087 mSettings.writePackageRestrictionsLPr(removeUser); 11088 } else { 11089 // We need to set it back to 'installed' so the uninstall 11090 // broadcasts will be sent correctly. 11091 if (DEBUG_REMOVE) Slog.d(TAG, "Not installed by other users, full delete"); 11092 ps.setInstalled(true, user.getIdentifier()); 11093 } 11094 } else { 11095 // This is a system app, so we assume that the 11096 // other users still have this package installed, so all 11097 // we need to do is clear this user's data and save that 11098 // it is uninstalled. 11099 if (DEBUG_REMOVE) Slog.d(TAG, "Deleting system app"); 11100 removeUser = user.getIdentifier(); 11101 appId = ps.appId; 11102 mSettings.writePackageRestrictionsLPr(removeUser); 11103 } 11104 } 11105 } 11106 11107 if (removeUser >= 0) { 11108 // From above, we determined that we are deleting this only 11109 // for a single user. Continue the work here. 11110 if (DEBUG_REMOVE) Slog.d(TAG, "Updating install state for user: " + removeUser); 11111 if (outInfo != null) { 11112 outInfo.removedPackage = packageName; 11113 outInfo.removedAppId = appId; 11114 outInfo.removedUsers = new int[] {removeUser}; 11115 } 11116 mInstaller.clearUserData(packageName, removeUser); 11117 removeKeystoreDataIfNeeded(removeUser, appId); 11118 schedulePackageCleaning(packageName, removeUser, false); 11119 return true; 11120 } 11121 11122 if (dataOnly) { 11123 // Delete application data first 11124 if (DEBUG_REMOVE) Slog.d(TAG, "Removing package data only"); 11125 removePackageDataLI(ps, null, null, outInfo, flags, writeSettings); 11126 return true; 11127 } 11128 11129 boolean ret = false; 11130 if (isSystemApp(ps)) { 11131 if (DEBUG_REMOVE) Slog.d(TAG, "Removing system package:" + ps.name); 11132 // When an updated system application is deleted we delete the existing resources as well and 11133 // fall back to existing code in system partition 11134 ret = deleteSystemPackageLI(ps, allUserHandles, perUserInstalled, 11135 flags, outInfo, writeSettings); 11136 } else { 11137 if (DEBUG_REMOVE) Slog.d(TAG, "Removing non-system package:" + ps.name); 11138 // Kill application pre-emptively especially for apps on sd. 11139 killApplication(packageName, ps.appId, "uninstall pkg"); 11140 ret = deleteInstalledPackageLI(ps, deleteCodeAndResources, flags, 11141 allUserHandles, perUserInstalled, 11142 outInfo, writeSettings); 11143 } 11144 11145 return ret; 11146 } 11147 11148 private final class ClearStorageConnection implements ServiceConnection { 11149 IMediaContainerService mContainerService; 11150 11151 @Override 11152 public void onServiceConnected(ComponentName name, IBinder service) { 11153 synchronized (this) { 11154 mContainerService = IMediaContainerService.Stub.asInterface(service); 11155 notifyAll(); 11156 } 11157 } 11158 11159 @Override 11160 public void onServiceDisconnected(ComponentName name) { 11161 } 11162 } 11163 11164 private void clearExternalStorageDataSync(String packageName, int userId, boolean allData) { 11165 final boolean mounted; 11166 if (Environment.isExternalStorageEmulated()) { 11167 mounted = true; 11168 } else { 11169 final String status = Environment.getExternalStorageState(); 11170 11171 mounted = status.equals(Environment.MEDIA_MOUNTED) 11172 || status.equals(Environment.MEDIA_MOUNTED_READ_ONLY); 11173 } 11174 11175 if (!mounted) { 11176 return; 11177 } 11178 11179 final Intent containerIntent = new Intent().setComponent(DEFAULT_CONTAINER_COMPONENT); 11180 int[] users; 11181 if (userId == UserHandle.USER_ALL) { 11182 users = sUserManager.getUserIds(); 11183 } else { 11184 users = new int[] { userId }; 11185 } 11186 final ClearStorageConnection conn = new ClearStorageConnection(); 11187 if (mContext.bindServiceAsUser( 11188 containerIntent, conn, Context.BIND_AUTO_CREATE, UserHandle.OWNER)) { 11189 try { 11190 for (int curUser : users) { 11191 long timeout = SystemClock.uptimeMillis() + 5000; 11192 synchronized (conn) { 11193 long now = SystemClock.uptimeMillis(); 11194 while (conn.mContainerService == null && now < timeout) { 11195 try { 11196 conn.wait(timeout - now); 11197 } catch (InterruptedException e) { 11198 } 11199 } 11200 } 11201 if (conn.mContainerService == null) { 11202 return; 11203 } 11204 11205 final UserEnvironment userEnv = new UserEnvironment(curUser); 11206 clearDirectory(conn.mContainerService, 11207 userEnv.buildExternalStorageAppCacheDirs(packageName)); 11208 if (allData) { 11209 clearDirectory(conn.mContainerService, 11210 userEnv.buildExternalStorageAppDataDirs(packageName)); 11211 clearDirectory(conn.mContainerService, 11212 userEnv.buildExternalStorageAppMediaDirs(packageName)); 11213 } 11214 } 11215 } finally { 11216 mContext.unbindService(conn); 11217 } 11218 } 11219 } 11220 11221 @Override 11222 public void clearApplicationUserData(final String packageName, 11223 final IPackageDataObserver observer, final int userId) { 11224 mContext.enforceCallingOrSelfPermission( 11225 android.Manifest.permission.CLEAR_APP_USER_DATA, null); 11226 enforceCrossUserPermission(Binder.getCallingUid(), userId, true, false, "clear application data"); 11227 // Queue up an async operation since the package deletion may take a little while. 11228 mHandler.post(new Runnable() { 11229 public void run() { 11230 mHandler.removeCallbacks(this); 11231 final boolean succeeded; 11232 synchronized (mInstallLock) { 11233 succeeded = clearApplicationUserDataLI(packageName, userId); 11234 } 11235 clearExternalStorageDataSync(packageName, userId, true); 11236 if (succeeded) { 11237 // invoke DeviceStorageMonitor's update method to clear any notifications 11238 DeviceStorageMonitorInternal 11239 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 11240 if (dsm != null) { 11241 dsm.checkMemory(); 11242 } 11243 } 11244 if(observer != null) { 11245 try { 11246 observer.onRemoveCompleted(packageName, succeeded); 11247 } catch (RemoteException e) { 11248 Log.i(TAG, "Observer no longer exists."); 11249 } 11250 } //end if observer 11251 } //end run 11252 }); 11253 } 11254 11255 private boolean clearApplicationUserDataLI(String packageName, int userId) { 11256 if (packageName == null) { 11257 Slog.w(TAG, "Attempt to delete null packageName."); 11258 return false; 11259 } 11260 11261 // Try finding details about the requested package 11262 PackageParser.Package pkg; 11263 synchronized (mPackages) { 11264 pkg = mPackages.get(packageName); 11265 if (pkg == null) { 11266 final PackageSetting ps = mSettings.mPackages.get(packageName); 11267 if (ps != null) { 11268 pkg = ps.pkg; 11269 } 11270 } 11271 } 11272 11273 if (pkg == null) { 11274 Slog.w(TAG, "Package named '" + packageName + "' doesn't exist."); 11275 } 11276 11277 // Always delete data directories for package, even if we found no other 11278 // record of app. This helps users recover from UID mismatches without 11279 // resorting to a full data wipe. 11280 int retCode = mInstaller.clearUserData(packageName, userId); 11281 if (retCode < 0) { 11282 Slog.w(TAG, "Couldn't remove cache files for package: " + packageName); 11283 return false; 11284 } 11285 11286 if (pkg == null) { 11287 return false; 11288 } 11289 11290 if (pkg != null && pkg.applicationInfo != null) { 11291 final int appId = pkg.applicationInfo.uid; 11292 removeKeystoreDataIfNeeded(userId, appId); 11293 } 11294 11295 // Create a native library symlink only if we have native libraries 11296 // and if the native libraries are 32 bit libraries. We do not provide 11297 // this symlink for 64 bit libraries. 11298 if (pkg != null && pkg.applicationInfo.primaryCpuAbi != null && 11299 !VMRuntime.is64BitAbi(pkg.applicationInfo.primaryCpuAbi)) { 11300 final String nativeLibPath = pkg.applicationInfo.nativeLibraryDir; 11301 if (mInstaller.linkNativeLibraryDirectory(pkg.packageName, nativeLibPath, userId) < 0) { 11302 Slog.w(TAG, "Failed linking native library dir"); 11303 return false; 11304 } 11305 } 11306 11307 return true; 11308 } 11309 11310 /** 11311 * Remove entries from the keystore daemon. Will only remove it if the 11312 * {@code appId} is valid. 11313 */ 11314 private static void removeKeystoreDataIfNeeded(int userId, int appId) { 11315 if (appId < 0) { 11316 return; 11317 } 11318 11319 final KeyStore keyStore = KeyStore.getInstance(); 11320 if (keyStore != null) { 11321 if (userId == UserHandle.USER_ALL) { 11322 for (final int individual : sUserManager.getUserIds()) { 11323 keyStore.clearUid(UserHandle.getUid(individual, appId)); 11324 } 11325 } else { 11326 keyStore.clearUid(UserHandle.getUid(userId, appId)); 11327 } 11328 } else { 11329 Slog.w(TAG, "Could not contact keystore to clear entries for app id " + appId); 11330 } 11331 } 11332 11333 @Override 11334 public void deleteApplicationCacheFiles(final String packageName, 11335 final IPackageDataObserver observer) { 11336 mContext.enforceCallingOrSelfPermission( 11337 android.Manifest.permission.DELETE_CACHE_FILES, null); 11338 // Queue up an async operation since the package deletion may take a little while. 11339 final int userId = UserHandle.getCallingUserId(); 11340 mHandler.post(new Runnable() { 11341 public void run() { 11342 mHandler.removeCallbacks(this); 11343 final boolean succeded; 11344 synchronized (mInstallLock) { 11345 succeded = deleteApplicationCacheFilesLI(packageName, userId); 11346 } 11347 clearExternalStorageDataSync(packageName, userId, false); 11348 if(observer != null) { 11349 try { 11350 observer.onRemoveCompleted(packageName, succeded); 11351 } catch (RemoteException e) { 11352 Log.i(TAG, "Observer no longer exists."); 11353 } 11354 } //end if observer 11355 } //end run 11356 }); 11357 } 11358 11359 private boolean deleteApplicationCacheFilesLI(String packageName, int userId) { 11360 if (packageName == null) { 11361 Slog.w(TAG, "Attempt to delete null packageName."); 11362 return false; 11363 } 11364 PackageParser.Package p; 11365 synchronized (mPackages) { 11366 p = mPackages.get(packageName); 11367 } 11368 if (p == null) { 11369 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11370 return false; 11371 } 11372 final ApplicationInfo applicationInfo = p.applicationInfo; 11373 if (applicationInfo == null) { 11374 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11375 return false; 11376 } 11377 int retCode = mInstaller.deleteCacheFiles(packageName, userId); 11378 if (retCode < 0) { 11379 Slog.w(TAG, "Couldn't remove cache files for package: " 11380 + packageName + " u" + userId); 11381 return false; 11382 } 11383 return true; 11384 } 11385 11386 @Override 11387 public void getPackageSizeInfo(final String packageName, int userHandle, 11388 final IPackageStatsObserver observer) { 11389 mContext.enforceCallingOrSelfPermission( 11390 android.Manifest.permission.GET_PACKAGE_SIZE, null); 11391 if (packageName == null) { 11392 throw new IllegalArgumentException("Attempt to get size of null packageName"); 11393 } 11394 11395 PackageStats stats = new PackageStats(packageName, userHandle); 11396 11397 /* 11398 * Queue up an async operation since the package measurement may take a 11399 * little while. 11400 */ 11401 Message msg = mHandler.obtainMessage(INIT_COPY); 11402 msg.obj = new MeasureParams(stats, observer); 11403 mHandler.sendMessage(msg); 11404 } 11405 11406 private boolean getPackageSizeInfoLI(String packageName, int userHandle, 11407 PackageStats pStats) { 11408 if (packageName == null) { 11409 Slog.w(TAG, "Attempt to get size of null packageName."); 11410 return false; 11411 } 11412 PackageParser.Package p; 11413 boolean dataOnly = false; 11414 String libDirRoot = null; 11415 String asecPath = null; 11416 PackageSetting ps = null; 11417 synchronized (mPackages) { 11418 p = mPackages.get(packageName); 11419 ps = mSettings.mPackages.get(packageName); 11420 if(p == null) { 11421 dataOnly = true; 11422 if((ps == null) || (ps.pkg == null)) { 11423 Slog.w(TAG, "Package named '" + packageName +"' doesn't exist."); 11424 return false; 11425 } 11426 p = ps.pkg; 11427 } 11428 if (ps != null) { 11429 libDirRoot = ps.legacyNativeLibraryPathString; 11430 } 11431 if (p != null && (isExternal(p) || isForwardLocked(p))) { 11432 String secureContainerId = cidFromCodePath(p.applicationInfo.getBaseCodePath()); 11433 if (secureContainerId != null) { 11434 asecPath = PackageHelper.getSdFilesystem(secureContainerId); 11435 } 11436 } 11437 } 11438 String publicSrcDir = null; 11439 if(!dataOnly) { 11440 final ApplicationInfo applicationInfo = p.applicationInfo; 11441 if (applicationInfo == null) { 11442 Slog.w(TAG, "Package " + packageName + " has no applicationInfo."); 11443 return false; 11444 } 11445 if (isForwardLocked(p)) { 11446 publicSrcDir = applicationInfo.getBaseResourcePath(); 11447 } 11448 } 11449 // TODO: extend to measure size of split APKs 11450 // TODO(multiArch): Extend getSizeInfo to look at the full subdirectory tree, 11451 // not just the first level. 11452 // TODO(multiArch): Extend getSizeInfo to look at *all* instruction sets, not 11453 // just the primary. 11454 String[] dexCodeInstructionSets = getDexCodeInstructionSets(getAppDexInstructionSets(ps)); 11455 int res = mInstaller.getSizeInfo(packageName, userHandle, p.baseCodePath, libDirRoot, 11456 publicSrcDir, asecPath, dexCodeInstructionSets, pStats); 11457 if (res < 0) { 11458 return false; 11459 } 11460 11461 // Fix-up for forward-locked applications in ASEC containers. 11462 if (!isExternal(p)) { 11463 pStats.codeSize += pStats.externalCodeSize; 11464 pStats.externalCodeSize = 0L; 11465 } 11466 11467 return true; 11468 } 11469 11470 11471 @Override 11472 public void addPackageToPreferred(String packageName) { 11473 Slog.w(TAG, "addPackageToPreferred: this is now a no-op"); 11474 } 11475 11476 @Override 11477 public void removePackageFromPreferred(String packageName) { 11478 Slog.w(TAG, "removePackageFromPreferred: this is now a no-op"); 11479 } 11480 11481 @Override 11482 public List<PackageInfo> getPreferredPackages(int flags) { 11483 return new ArrayList<PackageInfo>(); 11484 } 11485 11486 private int getUidTargetSdkVersionLockedLPr(int uid) { 11487 Object obj = mSettings.getUserIdLPr(uid); 11488 if (obj instanceof SharedUserSetting) { 11489 final SharedUserSetting sus = (SharedUserSetting) obj; 11490 int vers = Build.VERSION_CODES.CUR_DEVELOPMENT; 11491 final Iterator<PackageSetting> it = sus.packages.iterator(); 11492 while (it.hasNext()) { 11493 final PackageSetting ps = it.next(); 11494 if (ps.pkg != null) { 11495 int v = ps.pkg.applicationInfo.targetSdkVersion; 11496 if (v < vers) vers = v; 11497 } 11498 } 11499 return vers; 11500 } else if (obj instanceof PackageSetting) { 11501 final PackageSetting ps = (PackageSetting) obj; 11502 if (ps.pkg != null) { 11503 return ps.pkg.applicationInfo.targetSdkVersion; 11504 } 11505 } 11506 return Build.VERSION_CODES.CUR_DEVELOPMENT; 11507 } 11508 11509 @Override 11510 public void addPreferredActivity(IntentFilter filter, int match, 11511 ComponentName[] set, ComponentName activity, int userId) { 11512 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11513 "Adding preferred"); 11514 } 11515 11516 private void addPreferredActivityInternal(IntentFilter filter, int match, 11517 ComponentName[] set, ComponentName activity, boolean always, int userId, 11518 String opname) { 11519 // writer 11520 int callingUid = Binder.getCallingUid(); 11521 enforceCrossUserPermission(callingUid, userId, true, false, "add preferred activity"); 11522 if (filter.countActions() == 0) { 11523 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11524 return; 11525 } 11526 synchronized (mPackages) { 11527 if (mContext.checkCallingOrSelfPermission( 11528 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11529 != PackageManager.PERMISSION_GRANTED) { 11530 if (getUidTargetSdkVersionLockedLPr(callingUid) 11531 < Build.VERSION_CODES.FROYO) { 11532 Slog.w(TAG, "Ignoring addPreferredActivity() from uid " 11533 + callingUid); 11534 return; 11535 } 11536 mContext.enforceCallingOrSelfPermission( 11537 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11538 } 11539 11540 PreferredIntentResolver pir = mSettings.editPreferredActivitiesLPw(userId); 11541 Slog.i(TAG, opname + " activity " + activity.flattenToShortString() + " for user " 11542 + userId + ":"); 11543 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11544 pir.addFilter(new PreferredActivity(filter, match, set, activity, always)); 11545 mSettings.writePackageRestrictionsLPr(userId); 11546 } 11547 } 11548 11549 @Override 11550 public void replacePreferredActivity(IntentFilter filter, int match, 11551 ComponentName[] set, ComponentName activity, int userId) { 11552 if (filter.countActions() != 1) { 11553 throw new IllegalArgumentException( 11554 "replacePreferredActivity expects filter to have only 1 action."); 11555 } 11556 if (filter.countDataAuthorities() != 0 11557 || filter.countDataPaths() != 0 11558 || filter.countDataSchemes() > 1 11559 || filter.countDataTypes() != 0) { 11560 throw new IllegalArgumentException( 11561 "replacePreferredActivity expects filter to have no data authorities, " + 11562 "paths, or types; and at most one scheme."); 11563 } 11564 11565 final int callingUid = Binder.getCallingUid(); 11566 enforceCrossUserPermission(callingUid, userId, true, false, "replace preferred activity"); 11567 synchronized (mPackages) { 11568 if (mContext.checkCallingOrSelfPermission( 11569 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11570 != PackageManager.PERMISSION_GRANTED) { 11571 if (getUidTargetSdkVersionLockedLPr(callingUid) 11572 < Build.VERSION_CODES.FROYO) { 11573 Slog.w(TAG, "Ignoring replacePreferredActivity() from uid " 11574 + Binder.getCallingUid()); 11575 return; 11576 } 11577 mContext.enforceCallingOrSelfPermission( 11578 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11579 } 11580 11581 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11582 if (pir != null) { 11583 // Get all of the existing entries that exactly match this filter. 11584 ArrayList<PreferredActivity> existing = pir.findFilters(filter); 11585 if (existing != null && existing.size() == 1) { 11586 PreferredActivity cur = existing.get(0); 11587 if (DEBUG_PREFERRED) { 11588 Slog.i(TAG, "Checking replace of preferred:"); 11589 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11590 if (!cur.mPref.mAlways) { 11591 Slog.i(TAG, " -- CUR; not mAlways!"); 11592 } else { 11593 Slog.i(TAG, " -- CUR: mMatch=" + cur.mPref.mMatch); 11594 Slog.i(TAG, " -- CUR: mSet=" 11595 + Arrays.toString(cur.mPref.mSetComponents)); 11596 Slog.i(TAG, " -- CUR: mComponent=" + cur.mPref.mShortComponent); 11597 Slog.i(TAG, " -- NEW: mMatch=" 11598 + (match&IntentFilter.MATCH_CATEGORY_MASK)); 11599 Slog.i(TAG, " -- CUR: mSet=" + Arrays.toString(set)); 11600 Slog.i(TAG, " -- CUR: mComponent=" + activity.flattenToShortString()); 11601 } 11602 } 11603 if (cur.mPref.mAlways && cur.mPref.mComponent.equals(activity) 11604 && cur.mPref.mMatch == (match&IntentFilter.MATCH_CATEGORY_MASK) 11605 && cur.mPref.sameSet(set)) { 11606 // Setting the preferred activity to what it happens to be already 11607 if (DEBUG_PREFERRED) { 11608 Slog.i(TAG, "Replacing with same preferred activity " 11609 + cur.mPref.mShortComponent + " for user " 11610 + userId + ":"); 11611 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11612 } 11613 return; 11614 } 11615 } 11616 11617 if (existing != null) { 11618 if (DEBUG_PREFERRED) { 11619 Slog.i(TAG, existing.size() + " existing preferred matches for:"); 11620 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11621 } 11622 for (int i = 0; i < existing.size(); i++) { 11623 PreferredActivity pa = existing.get(i); 11624 if (DEBUG_PREFERRED) { 11625 Slog.i(TAG, "Removing existing preferred activity " 11626 + pa.mPref.mComponent + ":"); 11627 pa.dump(new LogPrinter(Log.INFO, TAG), " "); 11628 } 11629 pir.removeFilter(pa); 11630 } 11631 } 11632 } 11633 addPreferredActivityInternal(filter, match, set, activity, true, userId, 11634 "Replacing preferred"); 11635 } 11636 } 11637 11638 @Override 11639 public void clearPackagePreferredActivities(String packageName) { 11640 final int uid = Binder.getCallingUid(); 11641 // writer 11642 synchronized (mPackages) { 11643 PackageParser.Package pkg = mPackages.get(packageName); 11644 if (pkg == null || pkg.applicationInfo.uid != uid) { 11645 if (mContext.checkCallingOrSelfPermission( 11646 android.Manifest.permission.SET_PREFERRED_APPLICATIONS) 11647 != PackageManager.PERMISSION_GRANTED) { 11648 if (getUidTargetSdkVersionLockedLPr(Binder.getCallingUid()) 11649 < Build.VERSION_CODES.FROYO) { 11650 Slog.w(TAG, "Ignoring clearPackagePreferredActivities() from uid " 11651 + Binder.getCallingUid()); 11652 return; 11653 } 11654 mContext.enforceCallingOrSelfPermission( 11655 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11656 } 11657 } 11658 11659 int user = UserHandle.getCallingUserId(); 11660 if (clearPackagePreferredActivitiesLPw(packageName, user)) { 11661 mSettings.writePackageRestrictionsLPr(user); 11662 scheduleWriteSettingsLocked(); 11663 } 11664 } 11665 } 11666 11667 /** This method takes a specific user id as well as UserHandle.USER_ALL. */ 11668 boolean clearPackagePreferredActivitiesLPw(String packageName, int userId) { 11669 ArrayList<PreferredActivity> removed = null; 11670 boolean changed = false; 11671 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 11672 final int thisUserId = mSettings.mPreferredActivities.keyAt(i); 11673 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 11674 if (userId != UserHandle.USER_ALL && userId != thisUserId) { 11675 continue; 11676 } 11677 Iterator<PreferredActivity> it = pir.filterIterator(); 11678 while (it.hasNext()) { 11679 PreferredActivity pa = it.next(); 11680 // Mark entry for removal only if it matches the package name 11681 // and the entry is of type "always". 11682 if (packageName == null || 11683 (pa.mPref.mComponent.getPackageName().equals(packageName) 11684 && pa.mPref.mAlways)) { 11685 if (removed == null) { 11686 removed = new ArrayList<PreferredActivity>(); 11687 } 11688 removed.add(pa); 11689 } 11690 } 11691 if (removed != null) { 11692 for (int j=0; j<removed.size(); j++) { 11693 PreferredActivity pa = removed.get(j); 11694 pir.removeFilter(pa); 11695 } 11696 changed = true; 11697 } 11698 } 11699 return changed; 11700 } 11701 11702 @Override 11703 public void resetPreferredActivities(int userId) { 11704 /* TODO: Actually use userId. Why is it being passed in? */ 11705 mContext.enforceCallingOrSelfPermission( 11706 android.Manifest.permission.SET_PREFERRED_APPLICATIONS, null); 11707 // writer 11708 synchronized (mPackages) { 11709 int user = UserHandle.getCallingUserId(); 11710 clearPackagePreferredActivitiesLPw(null, user); 11711 mSettings.readDefaultPreferredAppsLPw(this, user); 11712 mSettings.writePackageRestrictionsLPr(user); 11713 scheduleWriteSettingsLocked(); 11714 } 11715 } 11716 11717 @Override 11718 public int getPreferredActivities(List<IntentFilter> outFilters, 11719 List<ComponentName> outActivities, String packageName) { 11720 11721 int num = 0; 11722 final int userId = UserHandle.getCallingUserId(); 11723 // reader 11724 synchronized (mPackages) { 11725 PreferredIntentResolver pir = mSettings.mPreferredActivities.get(userId); 11726 if (pir != null) { 11727 final Iterator<PreferredActivity> it = pir.filterIterator(); 11728 while (it.hasNext()) { 11729 final PreferredActivity pa = it.next(); 11730 if (packageName == null 11731 || (pa.mPref.mComponent.getPackageName().equals(packageName) 11732 && pa.mPref.mAlways)) { 11733 if (outFilters != null) { 11734 outFilters.add(new IntentFilter(pa)); 11735 } 11736 if (outActivities != null) { 11737 outActivities.add(pa.mPref.mComponent); 11738 } 11739 } 11740 } 11741 } 11742 } 11743 11744 return num; 11745 } 11746 11747 @Override 11748 public void addPersistentPreferredActivity(IntentFilter filter, ComponentName activity, 11749 int userId) { 11750 int callingUid = Binder.getCallingUid(); 11751 if (callingUid != Process.SYSTEM_UID) { 11752 throw new SecurityException( 11753 "addPersistentPreferredActivity can only be run by the system"); 11754 } 11755 if (filter.countActions() == 0) { 11756 Slog.w(TAG, "Cannot set a preferred activity with no filter actions"); 11757 return; 11758 } 11759 synchronized (mPackages) { 11760 Slog.i(TAG, "Adding persistent preferred activity " + activity + " for user " + userId + 11761 " :"); 11762 filter.dump(new LogPrinter(Log.INFO, TAG), " "); 11763 mSettings.editPersistentPreferredActivitiesLPw(userId).addFilter( 11764 new PersistentPreferredActivity(filter, activity)); 11765 mSettings.writePackageRestrictionsLPr(userId); 11766 } 11767 } 11768 11769 @Override 11770 public void clearPackagePersistentPreferredActivities(String packageName, int userId) { 11771 int callingUid = Binder.getCallingUid(); 11772 if (callingUid != Process.SYSTEM_UID) { 11773 throw new SecurityException( 11774 "clearPackagePersistentPreferredActivities can only be run by the system"); 11775 } 11776 ArrayList<PersistentPreferredActivity> removed = null; 11777 boolean changed = false; 11778 synchronized (mPackages) { 11779 for (int i=0; i<mSettings.mPersistentPreferredActivities.size(); i++) { 11780 final int thisUserId = mSettings.mPersistentPreferredActivities.keyAt(i); 11781 PersistentPreferredIntentResolver ppir = mSettings.mPersistentPreferredActivities 11782 .valueAt(i); 11783 if (userId != thisUserId) { 11784 continue; 11785 } 11786 Iterator<PersistentPreferredActivity> it = ppir.filterIterator(); 11787 while (it.hasNext()) { 11788 PersistentPreferredActivity ppa = it.next(); 11789 // Mark entry for removal only if it matches the package name. 11790 if (ppa.mComponent.getPackageName().equals(packageName)) { 11791 if (removed == null) { 11792 removed = new ArrayList<PersistentPreferredActivity>(); 11793 } 11794 removed.add(ppa); 11795 } 11796 } 11797 if (removed != null) { 11798 for (int j=0; j<removed.size(); j++) { 11799 PersistentPreferredActivity ppa = removed.get(j); 11800 ppir.removeFilter(ppa); 11801 } 11802 changed = true; 11803 } 11804 } 11805 11806 if (changed) { 11807 mSettings.writePackageRestrictionsLPr(userId); 11808 } 11809 } 11810 } 11811 11812 @Override 11813 public void addCrossProfileIntentFilter(IntentFilter intentFilter, String ownerPackage, 11814 int ownerUserId, int sourceUserId, int targetUserId, int flags) { 11815 mContext.enforceCallingOrSelfPermission( 11816 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11817 int callingUid = Binder.getCallingUid(); 11818 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11819 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11820 if (intentFilter.countActions() == 0) { 11821 Slog.w(TAG, "Cannot set a crossProfile intent filter with no filter actions"); 11822 return; 11823 } 11824 synchronized (mPackages) { 11825 CrossProfileIntentFilter filter = new CrossProfileIntentFilter(intentFilter, 11826 ownerPackage, UserHandle.getUserId(callingUid), targetUserId, flags); 11827 mSettings.editCrossProfileIntentResolverLPw(sourceUserId).addFilter(filter); 11828 mSettings.writePackageRestrictionsLPr(sourceUserId); 11829 } 11830 } 11831 11832 @Override 11833 public void clearCrossProfileIntentFilters(int sourceUserId, String ownerPackage, 11834 int ownerUserId) { 11835 mContext.enforceCallingOrSelfPermission( 11836 android.Manifest.permission.INTERACT_ACROSS_USERS_FULL, null); 11837 int callingUid = Binder.getCallingUid(); 11838 enforceOwnerRights(ownerPackage, ownerUserId, callingUid); 11839 enforceShellRestriction(UserManager.DISALLOW_DEBUGGING_FEATURES, callingUid, sourceUserId); 11840 int callingUserId = UserHandle.getUserId(callingUid); 11841 synchronized (mPackages) { 11842 CrossProfileIntentResolver resolver = 11843 mSettings.editCrossProfileIntentResolverLPw(sourceUserId); 11844 HashSet<CrossProfileIntentFilter> set = 11845 new HashSet<CrossProfileIntentFilter>(resolver.filterSet()); 11846 for (CrossProfileIntentFilter filter : set) { 11847 if (filter.getOwnerPackage().equals(ownerPackage) 11848 && filter.getOwnerUserId() == callingUserId) { 11849 resolver.removeFilter(filter); 11850 } 11851 } 11852 mSettings.writePackageRestrictionsLPr(sourceUserId); 11853 } 11854 } 11855 11856 // Enforcing that callingUid is owning pkg on userId 11857 private void enforceOwnerRights(String pkg, int userId, int callingUid) { 11858 // The system owns everything. 11859 if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID) { 11860 return; 11861 } 11862 int callingUserId = UserHandle.getUserId(callingUid); 11863 if (callingUserId != userId) { 11864 throw new SecurityException("calling uid " + callingUid 11865 + " pretends to own " + pkg + " on user " + userId + " but belongs to user " 11866 + callingUserId); 11867 } 11868 PackageInfo pi = getPackageInfo(pkg, 0, callingUserId); 11869 if (pi == null) { 11870 throw new IllegalArgumentException("Unknown package " + pkg + " on user " 11871 + callingUserId); 11872 } 11873 if (!UserHandle.isSameApp(pi.applicationInfo.uid, callingUid)) { 11874 throw new SecurityException("Calling uid " + callingUid 11875 + " does not own package " + pkg); 11876 } 11877 } 11878 11879 @Override 11880 public ComponentName getHomeActivities(List<ResolveInfo> allHomeCandidates) { 11881 Intent intent = new Intent(Intent.ACTION_MAIN); 11882 intent.addCategory(Intent.CATEGORY_HOME); 11883 11884 final int callingUserId = UserHandle.getCallingUserId(); 11885 List<ResolveInfo> list = queryIntentActivities(intent, null, 11886 PackageManager.GET_META_DATA, callingUserId); 11887 ResolveInfo preferred = findPreferredActivity(intent, null, 0, list, 0, 11888 true, false, false, callingUserId); 11889 11890 allHomeCandidates.clear(); 11891 if (list != null) { 11892 for (ResolveInfo ri : list) { 11893 allHomeCandidates.add(ri); 11894 } 11895 } 11896 return (preferred == null || preferred.activityInfo == null) 11897 ? null 11898 : new ComponentName(preferred.activityInfo.packageName, 11899 preferred.activityInfo.name); 11900 } 11901 11902 @Override 11903 public void setApplicationEnabledSetting(String appPackageName, 11904 int newState, int flags, int userId, String callingPackage) { 11905 if (!sUserManager.exists(userId)) return; 11906 if (callingPackage == null) { 11907 callingPackage = Integer.toString(Binder.getCallingUid()); 11908 } 11909 setEnabledSetting(appPackageName, null, newState, flags, userId, callingPackage); 11910 } 11911 11912 @Override 11913 public void setComponentEnabledSetting(ComponentName componentName, 11914 int newState, int flags, int userId) { 11915 if (!sUserManager.exists(userId)) return; 11916 setEnabledSetting(componentName.getPackageName(), 11917 componentName.getClassName(), newState, flags, userId, null); 11918 } 11919 11920 private void setEnabledSetting(final String packageName, String className, int newState, 11921 final int flags, int userId, String callingPackage) { 11922 if (!(newState == COMPONENT_ENABLED_STATE_DEFAULT 11923 || newState == COMPONENT_ENABLED_STATE_ENABLED 11924 || newState == COMPONENT_ENABLED_STATE_DISABLED 11925 || newState == COMPONENT_ENABLED_STATE_DISABLED_USER 11926 || newState == COMPONENT_ENABLED_STATE_DISABLED_UNTIL_USED)) { 11927 throw new IllegalArgumentException("Invalid new component state: " 11928 + newState); 11929 } 11930 PackageSetting pkgSetting; 11931 final int uid = Binder.getCallingUid(); 11932 final int permission = mContext.checkCallingOrSelfPermission( 11933 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 11934 enforceCrossUserPermission(uid, userId, false, true, "set enabled"); 11935 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 11936 boolean sendNow = false; 11937 boolean isApp = (className == null); 11938 String componentName = isApp ? packageName : className; 11939 int packageUid = -1; 11940 ArrayList<String> components; 11941 11942 // writer 11943 synchronized (mPackages) { 11944 pkgSetting = mSettings.mPackages.get(packageName); 11945 if (pkgSetting == null) { 11946 if (className == null) { 11947 throw new IllegalArgumentException( 11948 "Unknown package: " + packageName); 11949 } 11950 throw new IllegalArgumentException( 11951 "Unknown component: " + packageName 11952 + "/" + className); 11953 } 11954 // Allow root and verify that userId is not being specified by a different user 11955 if (!allowedByPermission && !UserHandle.isSameApp(uid, pkgSetting.appId)) { 11956 throw new SecurityException( 11957 "Permission Denial: attempt to change component state from pid=" 11958 + Binder.getCallingPid() 11959 + ", uid=" + uid + ", package uid=" + pkgSetting.appId); 11960 } 11961 if (className == null) { 11962 // We're dealing with an application/package level state change 11963 if (pkgSetting.getEnabled(userId) == newState) { 11964 // Nothing to do 11965 return; 11966 } 11967 if (newState == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT 11968 || newState == PackageManager.COMPONENT_ENABLED_STATE_ENABLED) { 11969 // Don't care about who enables an app. 11970 callingPackage = null; 11971 } 11972 pkgSetting.setEnabled(newState, userId, callingPackage); 11973 // pkgSetting.pkg.mSetEnabled = newState; 11974 } else { 11975 // We're dealing with a component level state change 11976 // First, verify that this is a valid class name. 11977 PackageParser.Package pkg = pkgSetting.pkg; 11978 if (pkg == null || !pkg.hasComponentClassName(className)) { 11979 if (pkg.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) { 11980 throw new IllegalArgumentException("Component class " + className 11981 + " does not exist in " + packageName); 11982 } else { 11983 Slog.w(TAG, "Failed setComponentEnabledSetting: component class " 11984 + className + " does not exist in " + packageName); 11985 } 11986 } 11987 switch (newState) { 11988 case COMPONENT_ENABLED_STATE_ENABLED: 11989 if (!pkgSetting.enableComponentLPw(className, userId)) { 11990 return; 11991 } 11992 break; 11993 case COMPONENT_ENABLED_STATE_DISABLED: 11994 if (!pkgSetting.disableComponentLPw(className, userId)) { 11995 return; 11996 } 11997 break; 11998 case COMPONENT_ENABLED_STATE_DEFAULT: 11999 if (!pkgSetting.restoreComponentLPw(className, userId)) { 12000 return; 12001 } 12002 break; 12003 default: 12004 Slog.e(TAG, "Invalid new component state: " + newState); 12005 return; 12006 } 12007 } 12008 mSettings.writePackageRestrictionsLPr(userId); 12009 components = mPendingBroadcasts.get(userId, packageName); 12010 final boolean newPackage = components == null; 12011 if (newPackage) { 12012 components = new ArrayList<String>(); 12013 } 12014 if (!components.contains(componentName)) { 12015 components.add(componentName); 12016 } 12017 if ((flags&PackageManager.DONT_KILL_APP) == 0) { 12018 sendNow = true; 12019 // Purge entry from pending broadcast list if another one exists already 12020 // since we are sending one right away. 12021 mPendingBroadcasts.remove(userId, packageName); 12022 } else { 12023 if (newPackage) { 12024 mPendingBroadcasts.put(userId, packageName, components); 12025 } 12026 if (!mHandler.hasMessages(SEND_PENDING_BROADCAST)) { 12027 // Schedule a message 12028 mHandler.sendEmptyMessageDelayed(SEND_PENDING_BROADCAST, BROADCAST_DELAY); 12029 } 12030 } 12031 } 12032 12033 long callingId = Binder.clearCallingIdentity(); 12034 try { 12035 if (sendNow) { 12036 packageUid = UserHandle.getUid(userId, pkgSetting.appId); 12037 sendPackageChangedBroadcast(packageName, 12038 (flags&PackageManager.DONT_KILL_APP) != 0, components, packageUid); 12039 } 12040 } finally { 12041 Binder.restoreCallingIdentity(callingId); 12042 } 12043 } 12044 12045 private void sendPackageChangedBroadcast(String packageName, 12046 boolean killFlag, ArrayList<String> componentNames, int packageUid) { 12047 if (DEBUG_INSTALL) 12048 Log.v(TAG, "Sending package changed: package=" + packageName + " components=" 12049 + componentNames); 12050 Bundle extras = new Bundle(4); 12051 extras.putString(Intent.EXTRA_CHANGED_COMPONENT_NAME, componentNames.get(0)); 12052 String nameList[] = new String[componentNames.size()]; 12053 componentNames.toArray(nameList); 12054 extras.putStringArray(Intent.EXTRA_CHANGED_COMPONENT_NAME_LIST, nameList); 12055 extras.putBoolean(Intent.EXTRA_DONT_KILL_APP, killFlag); 12056 extras.putInt(Intent.EXTRA_UID, packageUid); 12057 sendPackageBroadcast(Intent.ACTION_PACKAGE_CHANGED, packageName, extras, null, null, 12058 new int[] {UserHandle.getUserId(packageUid)}); 12059 } 12060 12061 @Override 12062 public void setPackageStoppedState(String packageName, boolean stopped, int userId) { 12063 if (!sUserManager.exists(userId)) return; 12064 final int uid = Binder.getCallingUid(); 12065 final int permission = mContext.checkCallingOrSelfPermission( 12066 android.Manifest.permission.CHANGE_COMPONENT_ENABLED_STATE); 12067 final boolean allowedByPermission = (permission == PackageManager.PERMISSION_GRANTED); 12068 enforceCrossUserPermission(uid, userId, true, true, "stop package"); 12069 // writer 12070 synchronized (mPackages) { 12071 if (mSettings.setPackageStoppedStateLPw(packageName, stopped, allowedByPermission, 12072 uid, userId)) { 12073 scheduleWritePackageRestrictionsLocked(userId); 12074 } 12075 } 12076 } 12077 12078 @Override 12079 public String getInstallerPackageName(String packageName) { 12080 // reader 12081 synchronized (mPackages) { 12082 return mSettings.getInstallerPackageNameLPr(packageName); 12083 } 12084 } 12085 12086 @Override 12087 public int getApplicationEnabledSetting(String packageName, int userId) { 12088 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12089 int uid = Binder.getCallingUid(); 12090 enforceCrossUserPermission(uid, userId, false, false, "get enabled"); 12091 // reader 12092 synchronized (mPackages) { 12093 return mSettings.getApplicationEnabledSettingLPr(packageName, userId); 12094 } 12095 } 12096 12097 @Override 12098 public int getComponentEnabledSetting(ComponentName componentName, int userId) { 12099 if (!sUserManager.exists(userId)) return COMPONENT_ENABLED_STATE_DISABLED; 12100 int uid = Binder.getCallingUid(); 12101 enforceCrossUserPermission(uid, userId, false, false, "get component enabled"); 12102 // reader 12103 synchronized (mPackages) { 12104 return mSettings.getComponentEnabledSettingLPr(componentName, userId); 12105 } 12106 } 12107 12108 @Override 12109 public void enterSafeMode() { 12110 enforceSystemOrRoot("Only the system can request entering safe mode"); 12111 12112 if (!mSystemReady) { 12113 mSafeMode = true; 12114 } 12115 } 12116 12117 @Override 12118 public void systemReady() { 12119 mSystemReady = true; 12120 12121 // Read the compatibilty setting when the system is ready. 12122 boolean compatibilityModeEnabled = android.provider.Settings.Global.getInt( 12123 mContext.getContentResolver(), 12124 android.provider.Settings.Global.COMPATIBILITY_MODE, 1) == 1; 12125 PackageParser.setCompatibilityModeEnabled(compatibilityModeEnabled); 12126 if (DEBUG_SETTINGS) { 12127 Log.d(TAG, "compatibility mode:" + compatibilityModeEnabled); 12128 } 12129 12130 synchronized (mPackages) { 12131 // Verify that all of the preferred activity components actually 12132 // exist. It is possible for applications to be updated and at 12133 // that point remove a previously declared activity component that 12134 // had been set as a preferred activity. We try to clean this up 12135 // the next time we encounter that preferred activity, but it is 12136 // possible for the user flow to never be able to return to that 12137 // situation so here we do a sanity check to make sure we haven't 12138 // left any junk around. 12139 ArrayList<PreferredActivity> removed = new ArrayList<PreferredActivity>(); 12140 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12141 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12142 removed.clear(); 12143 for (PreferredActivity pa : pir.filterSet()) { 12144 if (mActivities.mActivities.get(pa.mPref.mComponent) == null) { 12145 removed.add(pa); 12146 } 12147 } 12148 if (removed.size() > 0) { 12149 for (int r=0; r<removed.size(); r++) { 12150 PreferredActivity pa = removed.get(r); 12151 Slog.w(TAG, "Removing dangling preferred activity: " 12152 + pa.mPref.mComponent); 12153 pir.removeFilter(pa); 12154 } 12155 mSettings.writePackageRestrictionsLPr( 12156 mSettings.mPreferredActivities.keyAt(i)); 12157 } 12158 } 12159 } 12160 sUserManager.systemReady(); 12161 12162 // Kick off any messages waiting for system ready 12163 if (mPostSystemReadyMessages != null) { 12164 for (Message msg : mPostSystemReadyMessages) { 12165 msg.sendToTarget(); 12166 } 12167 mPostSystemReadyMessages = null; 12168 } 12169 } 12170 12171 @Override 12172 public boolean isSafeMode() { 12173 return mSafeMode; 12174 } 12175 12176 @Override 12177 public boolean hasSystemUidErrors() { 12178 return mHasSystemUidErrors; 12179 } 12180 12181 static String arrayToString(int[] array) { 12182 StringBuffer buf = new StringBuffer(128); 12183 buf.append('['); 12184 if (array != null) { 12185 for (int i=0; i<array.length; i++) { 12186 if (i > 0) buf.append(", "); 12187 buf.append(array[i]); 12188 } 12189 } 12190 buf.append(']'); 12191 return buf.toString(); 12192 } 12193 12194 static class DumpState { 12195 public static final int DUMP_LIBS = 1 << 0; 12196 public static final int DUMP_FEATURES = 1 << 1; 12197 public static final int DUMP_RESOLVERS = 1 << 2; 12198 public static final int DUMP_PERMISSIONS = 1 << 3; 12199 public static final int DUMP_PACKAGES = 1 << 4; 12200 public static final int DUMP_SHARED_USERS = 1 << 5; 12201 public static final int DUMP_MESSAGES = 1 << 6; 12202 public static final int DUMP_PROVIDERS = 1 << 7; 12203 public static final int DUMP_VERIFIERS = 1 << 8; 12204 public static final int DUMP_PREFERRED = 1 << 9; 12205 public static final int DUMP_PREFERRED_XML = 1 << 10; 12206 public static final int DUMP_KEYSETS = 1 << 11; 12207 public static final int DUMP_VERSION = 1 << 12; 12208 public static final int DUMP_INSTALLS = 1 << 13; 12209 12210 public static final int OPTION_SHOW_FILTERS = 1 << 0; 12211 12212 private int mTypes; 12213 12214 private int mOptions; 12215 12216 private boolean mTitlePrinted; 12217 12218 private SharedUserSetting mSharedUser; 12219 12220 public boolean isDumping(int type) { 12221 if (mTypes == 0 && type != DUMP_PREFERRED_XML) { 12222 return true; 12223 } 12224 12225 return (mTypes & type) != 0; 12226 } 12227 12228 public void setDump(int type) { 12229 mTypes |= type; 12230 } 12231 12232 public boolean isOptionEnabled(int option) { 12233 return (mOptions & option) != 0; 12234 } 12235 12236 public void setOptionEnabled(int option) { 12237 mOptions |= option; 12238 } 12239 12240 public boolean onTitlePrinted() { 12241 final boolean printed = mTitlePrinted; 12242 mTitlePrinted = true; 12243 return printed; 12244 } 12245 12246 public boolean getTitlePrinted() { 12247 return mTitlePrinted; 12248 } 12249 12250 public void setTitlePrinted(boolean enabled) { 12251 mTitlePrinted = enabled; 12252 } 12253 12254 public SharedUserSetting getSharedUser() { 12255 return mSharedUser; 12256 } 12257 12258 public void setSharedUser(SharedUserSetting user) { 12259 mSharedUser = user; 12260 } 12261 } 12262 12263 @Override 12264 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 12265 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 12266 != PackageManager.PERMISSION_GRANTED) { 12267 pw.println("Permission Denial: can't dump ActivityManager from from pid=" 12268 + Binder.getCallingPid() 12269 + ", uid=" + Binder.getCallingUid() 12270 + " without permission " 12271 + android.Manifest.permission.DUMP); 12272 return; 12273 } 12274 12275 DumpState dumpState = new DumpState(); 12276 boolean fullPreferred = false; 12277 boolean checkin = false; 12278 12279 String packageName = null; 12280 12281 int opti = 0; 12282 while (opti < args.length) { 12283 String opt = args[opti]; 12284 if (opt == null || opt.length() <= 0 || opt.charAt(0) != '-') { 12285 break; 12286 } 12287 opti++; 12288 12289 if ("-a".equals(opt)) { 12290 // Right now we only know how to print all. 12291 } else if ("-h".equals(opt)) { 12292 pw.println("Package manager dump options:"); 12293 pw.println(" [-h] [-f] [--checkin] [cmd] ..."); 12294 pw.println(" --checkin: dump for a checkin"); 12295 pw.println(" -f: print details of intent filters"); 12296 pw.println(" -h: print this help"); 12297 pw.println(" cmd may be one of:"); 12298 pw.println(" l[ibraries]: list known shared libraries"); 12299 pw.println(" f[ibraries]: list device features"); 12300 pw.println(" k[eysets]: print known keysets"); 12301 pw.println(" r[esolvers]: dump intent resolvers"); 12302 pw.println(" perm[issions]: dump permissions"); 12303 pw.println(" pref[erred]: print preferred package settings"); 12304 pw.println(" preferred-xml [--full]: print preferred package settings as xml"); 12305 pw.println(" prov[iders]: dump content providers"); 12306 pw.println(" p[ackages]: dump installed packages"); 12307 pw.println(" s[hared-users]: dump shared user IDs"); 12308 pw.println(" m[essages]: print collected runtime messages"); 12309 pw.println(" v[erifiers]: print package verifier info"); 12310 pw.println(" version: print database version info"); 12311 pw.println(" write: write current settings now"); 12312 pw.println(" <package.name>: info about given package"); 12313 pw.println(" installs: details about install sessions"); 12314 return; 12315 } else if ("--checkin".equals(opt)) { 12316 checkin = true; 12317 } else if ("-f".equals(opt)) { 12318 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12319 } else { 12320 pw.println("Unknown argument: " + opt + "; use -h for help"); 12321 } 12322 } 12323 12324 // Is the caller requesting to dump a particular piece of data? 12325 if (opti < args.length) { 12326 String cmd = args[opti]; 12327 opti++; 12328 // Is this a package name? 12329 if ("android".equals(cmd) || cmd.contains(".")) { 12330 packageName = cmd; 12331 // When dumping a single package, we always dump all of its 12332 // filter information since the amount of data will be reasonable. 12333 dumpState.setOptionEnabled(DumpState.OPTION_SHOW_FILTERS); 12334 } else if ("l".equals(cmd) || "libraries".equals(cmd)) { 12335 dumpState.setDump(DumpState.DUMP_LIBS); 12336 } else if ("f".equals(cmd) || "features".equals(cmd)) { 12337 dumpState.setDump(DumpState.DUMP_FEATURES); 12338 } else if ("r".equals(cmd) || "resolvers".equals(cmd)) { 12339 dumpState.setDump(DumpState.DUMP_RESOLVERS); 12340 } else if ("perm".equals(cmd) || "permissions".equals(cmd)) { 12341 dumpState.setDump(DumpState.DUMP_PERMISSIONS); 12342 } else if ("pref".equals(cmd) || "preferred".equals(cmd)) { 12343 dumpState.setDump(DumpState.DUMP_PREFERRED); 12344 } else if ("preferred-xml".equals(cmd)) { 12345 dumpState.setDump(DumpState.DUMP_PREFERRED_XML); 12346 if (opti < args.length && "--full".equals(args[opti])) { 12347 fullPreferred = true; 12348 opti++; 12349 } 12350 } else if ("p".equals(cmd) || "packages".equals(cmd)) { 12351 dumpState.setDump(DumpState.DUMP_PACKAGES); 12352 } else if ("s".equals(cmd) || "shared-users".equals(cmd)) { 12353 dumpState.setDump(DumpState.DUMP_SHARED_USERS); 12354 } else if ("prov".equals(cmd) || "providers".equals(cmd)) { 12355 dumpState.setDump(DumpState.DUMP_PROVIDERS); 12356 } else if ("m".equals(cmd) || "messages".equals(cmd)) { 12357 dumpState.setDump(DumpState.DUMP_MESSAGES); 12358 } else if ("v".equals(cmd) || "verifiers".equals(cmd)) { 12359 dumpState.setDump(DumpState.DUMP_VERIFIERS); 12360 } else if ("version".equals(cmd)) { 12361 dumpState.setDump(DumpState.DUMP_VERSION); 12362 } else if ("k".equals(cmd) || "keysets".equals(cmd)) { 12363 dumpState.setDump(DumpState.DUMP_KEYSETS); 12364 } else if ("installs".equals(cmd)) { 12365 dumpState.setDump(DumpState.DUMP_INSTALLS); 12366 } else if ("write".equals(cmd)) { 12367 synchronized (mPackages) { 12368 mSettings.writeLPr(); 12369 pw.println("Settings written."); 12370 return; 12371 } 12372 } 12373 } 12374 12375 if (checkin) { 12376 pw.println("vers,1"); 12377 } 12378 12379 // reader 12380 synchronized (mPackages) { 12381 if (dumpState.isDumping(DumpState.DUMP_VERSION) && packageName == null) { 12382 if (!checkin) { 12383 if (dumpState.onTitlePrinted()) 12384 pw.println(); 12385 pw.println("Database versions:"); 12386 pw.print(" SDK Version:"); 12387 pw.print(" internal="); 12388 pw.print(mSettings.mInternalSdkPlatform); 12389 pw.print(" external="); 12390 pw.println(mSettings.mExternalSdkPlatform); 12391 pw.print(" DB Version:"); 12392 pw.print(" internal="); 12393 pw.print(mSettings.mInternalDatabaseVersion); 12394 pw.print(" external="); 12395 pw.println(mSettings.mExternalDatabaseVersion); 12396 } 12397 } 12398 12399 if (dumpState.isDumping(DumpState.DUMP_VERIFIERS) && packageName == null) { 12400 if (!checkin) { 12401 if (dumpState.onTitlePrinted()) 12402 pw.println(); 12403 pw.println("Verifiers:"); 12404 pw.print(" Required: "); 12405 pw.print(mRequiredVerifierPackage); 12406 pw.print(" (uid="); 12407 pw.print(getPackageUid(mRequiredVerifierPackage, 0)); 12408 pw.println(")"); 12409 } else if (mRequiredVerifierPackage != null) { 12410 pw.print("vrfy,"); pw.print(mRequiredVerifierPackage); 12411 pw.print(","); pw.println(getPackageUid(mRequiredVerifierPackage, 0)); 12412 } 12413 } 12414 12415 if (dumpState.isDumping(DumpState.DUMP_LIBS) && packageName == null) { 12416 boolean printedHeader = false; 12417 final Iterator<String> it = mSharedLibraries.keySet().iterator(); 12418 while (it.hasNext()) { 12419 String name = it.next(); 12420 SharedLibraryEntry ent = mSharedLibraries.get(name); 12421 if (!checkin) { 12422 if (!printedHeader) { 12423 if (dumpState.onTitlePrinted()) 12424 pw.println(); 12425 pw.println("Libraries:"); 12426 printedHeader = true; 12427 } 12428 pw.print(" "); 12429 } else { 12430 pw.print("lib,"); 12431 } 12432 pw.print(name); 12433 if (!checkin) { 12434 pw.print(" -> "); 12435 } 12436 if (ent.path != null) { 12437 if (!checkin) { 12438 pw.print("(jar) "); 12439 pw.print(ent.path); 12440 } else { 12441 pw.print(",jar,"); 12442 pw.print(ent.path); 12443 } 12444 } else { 12445 if (!checkin) { 12446 pw.print("(apk) "); 12447 pw.print(ent.apk); 12448 } else { 12449 pw.print(",apk,"); 12450 pw.print(ent.apk); 12451 } 12452 } 12453 pw.println(); 12454 } 12455 } 12456 12457 if (dumpState.isDumping(DumpState.DUMP_FEATURES) && packageName == null) { 12458 if (dumpState.onTitlePrinted()) 12459 pw.println(); 12460 if (!checkin) { 12461 pw.println("Features:"); 12462 } 12463 Iterator<String> it = mAvailableFeatures.keySet().iterator(); 12464 while (it.hasNext()) { 12465 String name = it.next(); 12466 if (!checkin) { 12467 pw.print(" "); 12468 } else { 12469 pw.print("feat,"); 12470 } 12471 pw.println(name); 12472 } 12473 } 12474 12475 if (!checkin && dumpState.isDumping(DumpState.DUMP_RESOLVERS)) { 12476 if (mActivities.dump(pw, dumpState.getTitlePrinted() ? "\nActivity Resolver Table:" 12477 : "Activity Resolver Table:", " ", packageName, 12478 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12479 dumpState.setTitlePrinted(true); 12480 } 12481 if (mReceivers.dump(pw, dumpState.getTitlePrinted() ? "\nReceiver Resolver Table:" 12482 : "Receiver Resolver Table:", " ", packageName, 12483 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12484 dumpState.setTitlePrinted(true); 12485 } 12486 if (mServices.dump(pw, dumpState.getTitlePrinted() ? "\nService Resolver Table:" 12487 : "Service Resolver Table:", " ", packageName, 12488 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12489 dumpState.setTitlePrinted(true); 12490 } 12491 if (mProviders.dump(pw, dumpState.getTitlePrinted() ? "\nProvider Resolver Table:" 12492 : "Provider Resolver Table:", " ", packageName, 12493 dumpState.isOptionEnabled(DumpState.OPTION_SHOW_FILTERS))) { 12494 dumpState.setTitlePrinted(true); 12495 } 12496 } 12497 12498 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED)) { 12499 for (int i=0; i<mSettings.mPreferredActivities.size(); i++) { 12500 PreferredIntentResolver pir = mSettings.mPreferredActivities.valueAt(i); 12501 int user = mSettings.mPreferredActivities.keyAt(i); 12502 if (pir.dump(pw, 12503 dumpState.getTitlePrinted() 12504 ? "\nPreferred Activities User " + user + ":" 12505 : "Preferred Activities User " + user + ":", " ", 12506 packageName, true)) { 12507 dumpState.setTitlePrinted(true); 12508 } 12509 } 12510 } 12511 12512 if (!checkin && dumpState.isDumping(DumpState.DUMP_PREFERRED_XML)) { 12513 pw.flush(); 12514 FileOutputStream fout = new FileOutputStream(fd); 12515 BufferedOutputStream str = new BufferedOutputStream(fout); 12516 XmlSerializer serializer = new FastXmlSerializer(); 12517 try { 12518 serializer.setOutput(str, "utf-8"); 12519 serializer.startDocument(null, true); 12520 serializer.setFeature( 12521 "http://xmlpull.org/v1/doc/features.html#indent-output", true); 12522 mSettings.writePreferredActivitiesLPr(serializer, 0, fullPreferred); 12523 serializer.endDocument(); 12524 serializer.flush(); 12525 } catch (IllegalArgumentException e) { 12526 pw.println("Failed writing: " + e); 12527 } catch (IllegalStateException e) { 12528 pw.println("Failed writing: " + e); 12529 } catch (IOException e) { 12530 pw.println("Failed writing: " + e); 12531 } 12532 } 12533 12534 if (!checkin && dumpState.isDumping(DumpState.DUMP_PERMISSIONS)) { 12535 mSettings.dumpPermissionsLPr(pw, packageName, dumpState); 12536 if (packageName == null) { 12537 for (int iperm=0; iperm<mAppOpPermissionPackages.size(); iperm++) { 12538 if (iperm == 0) { 12539 if (dumpState.onTitlePrinted()) 12540 pw.println(); 12541 pw.println("AppOp Permissions:"); 12542 } 12543 pw.print(" AppOp Permission "); 12544 pw.print(mAppOpPermissionPackages.keyAt(iperm)); 12545 pw.println(":"); 12546 ArraySet<String> pkgs = mAppOpPermissionPackages.valueAt(iperm); 12547 for (int ipkg=0; ipkg<pkgs.size(); ipkg++) { 12548 pw.print(" "); pw.println(pkgs.valueAt(ipkg)); 12549 } 12550 } 12551 } 12552 } 12553 12554 if (!checkin && dumpState.isDumping(DumpState.DUMP_PROVIDERS)) { 12555 boolean printedSomething = false; 12556 for (PackageParser.Provider p : mProviders.mProviders.values()) { 12557 if (packageName != null && !packageName.equals(p.info.packageName)) { 12558 continue; 12559 } 12560 if (!printedSomething) { 12561 if (dumpState.onTitlePrinted()) 12562 pw.println(); 12563 pw.println("Registered ContentProviders:"); 12564 printedSomething = true; 12565 } 12566 pw.print(" "); p.printComponentShortName(pw); pw.println(":"); 12567 pw.print(" "); pw.println(p.toString()); 12568 } 12569 printedSomething = false; 12570 for (Map.Entry<String, PackageParser.Provider> entry : 12571 mProvidersByAuthority.entrySet()) { 12572 PackageParser.Provider p = entry.getValue(); 12573 if (packageName != null && !packageName.equals(p.info.packageName)) { 12574 continue; 12575 } 12576 if (!printedSomething) { 12577 if (dumpState.onTitlePrinted()) 12578 pw.println(); 12579 pw.println("ContentProvider Authorities:"); 12580 printedSomething = true; 12581 } 12582 pw.print(" ["); pw.print(entry.getKey()); pw.println("]:"); 12583 pw.print(" "); pw.println(p.toString()); 12584 if (p.info != null && p.info.applicationInfo != null) { 12585 final String appInfo = p.info.applicationInfo.toString(); 12586 pw.print(" applicationInfo="); pw.println(appInfo); 12587 } 12588 } 12589 } 12590 12591 if (!checkin && dumpState.isDumping(DumpState.DUMP_KEYSETS)) { 12592 mSettings.mKeySetManagerService.dumpLPr(pw, packageName, dumpState); 12593 } 12594 12595 if (dumpState.isDumping(DumpState.DUMP_PACKAGES)) { 12596 mSettings.dumpPackagesLPr(pw, packageName, dumpState, checkin); 12597 } 12598 12599 if (!checkin && dumpState.isDumping(DumpState.DUMP_SHARED_USERS)) { 12600 mSettings.dumpSharedUsersLPr(pw, packageName, dumpState); 12601 } 12602 12603 if (!checkin && dumpState.isDumping(DumpState.DUMP_INSTALLS) && packageName == null) { 12604 // XXX should handle packageName != null by dumping only install data that 12605 // the given package is involved with. 12606 if (dumpState.onTitlePrinted()) pw.println(); 12607 mInstallerService.dump(new IndentingPrintWriter(pw, " ", 120)); 12608 } 12609 12610 if (!checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES) && packageName == null) { 12611 if (dumpState.onTitlePrinted()) pw.println(); 12612 mSettings.dumpReadMessagesLPr(pw, dumpState); 12613 12614 pw.println(); 12615 pw.println("Package warning messages:"); 12616 final File fname = getSettingsProblemFile(); 12617 FileInputStream in = null; 12618 try { 12619 in = new FileInputStream(fname); 12620 final int avail = in.available(); 12621 final byte[] data = new byte[avail]; 12622 in.read(data); 12623 pw.print(new String(data)); 12624 } catch (FileNotFoundException e) { 12625 } catch (IOException e) { 12626 } finally { 12627 if (in != null) { 12628 try { 12629 in.close(); 12630 } catch (IOException e) { 12631 } 12632 } 12633 } 12634 } 12635 12636 if (checkin && dumpState.isDumping(DumpState.DUMP_MESSAGES)) { 12637 BufferedReader in = null; 12638 String line = null; 12639 try { 12640 in = new BufferedReader(new FileReader(getSettingsProblemFile())); 12641 while ((line = in.readLine()) != null) { 12642 pw.print("msg,"); 12643 pw.println(line); 12644 } 12645 } catch (IOException ignored) { 12646 } finally { 12647 IoUtils.closeQuietly(in); 12648 } 12649 } 12650 } 12651 } 12652 12653 // ------- apps on sdcard specific code ------- 12654 static final boolean DEBUG_SD_INSTALL = false; 12655 12656 private static final String SD_ENCRYPTION_KEYSTORE_NAME = "AppsOnSD"; 12657 12658 private static final String SD_ENCRYPTION_ALGORITHM = "AES"; 12659 12660 private boolean mMediaMounted = false; 12661 12662 static String getEncryptKey() { 12663 try { 12664 String sdEncKey = SystemKeyStore.getInstance().retrieveKeyHexString( 12665 SD_ENCRYPTION_KEYSTORE_NAME); 12666 if (sdEncKey == null) { 12667 sdEncKey = SystemKeyStore.getInstance().generateNewKeyHexString(128, 12668 SD_ENCRYPTION_ALGORITHM, SD_ENCRYPTION_KEYSTORE_NAME); 12669 if (sdEncKey == null) { 12670 Slog.e(TAG, "Failed to create encryption keys"); 12671 return null; 12672 } 12673 } 12674 return sdEncKey; 12675 } catch (NoSuchAlgorithmException nsae) { 12676 Slog.e(TAG, "Failed to create encryption keys with exception: " + nsae); 12677 return null; 12678 } catch (IOException ioe) { 12679 Slog.e(TAG, "Failed to retrieve encryption keys with exception: " + ioe); 12680 return null; 12681 } 12682 } 12683 12684 /* 12685 * Update media status on PackageManager. 12686 */ 12687 @Override 12688 public void updateExternalMediaStatus(final boolean mediaStatus, final boolean reportStatus) { 12689 int callingUid = Binder.getCallingUid(); 12690 if (callingUid != 0 && callingUid != Process.SYSTEM_UID) { 12691 throw new SecurityException("Media status can only be updated by the system"); 12692 } 12693 // reader; this apparently protects mMediaMounted, but should probably 12694 // be a different lock in that case. 12695 synchronized (mPackages) { 12696 Log.i(TAG, "Updating external media status from " 12697 + (mMediaMounted ? "mounted" : "unmounted") + " to " 12698 + (mediaStatus ? "mounted" : "unmounted")); 12699 if (DEBUG_SD_INSTALL) 12700 Log.i(TAG, "updateExternalMediaStatus:: mediaStatus=" + mediaStatus 12701 + ", mMediaMounted=" + mMediaMounted); 12702 if (mediaStatus == mMediaMounted) { 12703 final Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 12704 : 0, -1); 12705 mHandler.sendMessage(msg); 12706 return; 12707 } 12708 mMediaMounted = mediaStatus; 12709 } 12710 // Queue up an async operation since the package installation may take a 12711 // little while. 12712 mHandler.post(new Runnable() { 12713 public void run() { 12714 updateExternalMediaStatusInner(mediaStatus, reportStatus, true); 12715 } 12716 }); 12717 } 12718 12719 /** 12720 * Called by MountService when the initial ASECs to scan are available. 12721 * Should block until all the ASEC containers are finished being scanned. 12722 */ 12723 public void scanAvailableAsecs() { 12724 updateExternalMediaStatusInner(true, false, false); 12725 if (mShouldRestoreconData) { 12726 SELinuxMMAC.setRestoreconDone(); 12727 mShouldRestoreconData = false; 12728 } 12729 } 12730 12731 /* 12732 * Collect information of applications on external media, map them against 12733 * existing containers and update information based on current mount status. 12734 * Please note that we always have to report status if reportStatus has been 12735 * set to true especially when unloading packages. 12736 */ 12737 private void updateExternalMediaStatusInner(boolean isMounted, boolean reportStatus, 12738 boolean externalStorage) { 12739 ArrayMap<AsecInstallArgs, String> processCids = new ArrayMap<>(); 12740 int[] uidArr = EmptyArray.INT; 12741 12742 final String[] list = PackageHelper.getSecureContainerList(); 12743 if (ArrayUtils.isEmpty(list)) { 12744 Log.i(TAG, "No secure containers found"); 12745 } else { 12746 // Process list of secure containers and categorize them 12747 // as active or stale based on their package internal state. 12748 12749 // reader 12750 synchronized (mPackages) { 12751 for (String cid : list) { 12752 // Leave stages untouched for now; installer service owns them 12753 if (PackageInstallerService.isStageName(cid)) continue; 12754 12755 if (DEBUG_SD_INSTALL) 12756 Log.i(TAG, "Processing container " + cid); 12757 String pkgName = getAsecPackageName(cid); 12758 if (pkgName == null) { 12759 Slog.i(TAG, "Found stale container " + cid + " with no package name"); 12760 continue; 12761 } 12762 if (DEBUG_SD_INSTALL) 12763 Log.i(TAG, "Looking for pkg : " + pkgName); 12764 12765 final PackageSetting ps = mSettings.mPackages.get(pkgName); 12766 if (ps == null) { 12767 Slog.i(TAG, "Found stale container " + cid + " with no matching settings"); 12768 continue; 12769 } 12770 12771 /* 12772 * Skip packages that are not external if we're unmounting 12773 * external storage. 12774 */ 12775 if (externalStorage && !isMounted && !isExternal(ps)) { 12776 continue; 12777 } 12778 12779 final AsecInstallArgs args = new AsecInstallArgs(cid, 12780 getAppDexInstructionSets(ps), isForwardLocked(ps)); 12781 // The package status is changed only if the code path 12782 // matches between settings and the container id. 12783 if (ps.codePathString != null 12784 && ps.codePathString.startsWith(args.getCodePath())) { 12785 if (DEBUG_SD_INSTALL) { 12786 Log.i(TAG, "Container : " + cid + " corresponds to pkg : " + pkgName 12787 + " at code path: " + ps.codePathString); 12788 } 12789 12790 // We do have a valid package installed on sdcard 12791 processCids.put(args, ps.codePathString); 12792 final int uid = ps.appId; 12793 if (uid != -1) { 12794 uidArr = ArrayUtils.appendInt(uidArr, uid); 12795 } 12796 } else { 12797 Slog.i(TAG, "Found stale container " + cid + ": expected codePath=" 12798 + ps.codePathString); 12799 } 12800 } 12801 } 12802 12803 Arrays.sort(uidArr); 12804 } 12805 12806 // Process packages with valid entries. 12807 if (isMounted) { 12808 if (DEBUG_SD_INSTALL) 12809 Log.i(TAG, "Loading packages"); 12810 loadMediaPackages(processCids, uidArr); 12811 startCleaningPackages(); 12812 mInstallerService.onSecureContainersAvailable(); 12813 } else { 12814 if (DEBUG_SD_INSTALL) 12815 Log.i(TAG, "Unloading packages"); 12816 unloadMediaPackages(processCids, uidArr, reportStatus); 12817 } 12818 } 12819 12820 private void sendResourcesChangedBroadcast(boolean mediaStatus, boolean replacing, 12821 ArrayList<String> pkgList, int uidArr[], IIntentReceiver finishedReceiver) { 12822 int size = pkgList.size(); 12823 if (size > 0) { 12824 // Send broadcasts here 12825 Bundle extras = new Bundle(); 12826 extras.putStringArray(Intent.EXTRA_CHANGED_PACKAGE_LIST, pkgList 12827 .toArray(new String[size])); 12828 if (uidArr != null) { 12829 extras.putIntArray(Intent.EXTRA_CHANGED_UID_LIST, uidArr); 12830 } 12831 if (replacing) { 12832 extras.putBoolean(Intent.EXTRA_REPLACING, replacing); 12833 } 12834 String action = mediaStatus ? Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE 12835 : Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE; 12836 sendPackageBroadcast(action, null, extras, null, finishedReceiver, null); 12837 } 12838 } 12839 12840 /* 12841 * Look at potentially valid container ids from processCids If package 12842 * information doesn't match the one on record or package scanning fails, 12843 * the cid is added to list of removeCids. We currently don't delete stale 12844 * containers. 12845 */ 12846 private void loadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int[] uidArr) { 12847 ArrayList<String> pkgList = new ArrayList<String>(); 12848 Set<AsecInstallArgs> keys = processCids.keySet(); 12849 12850 for (AsecInstallArgs args : keys) { 12851 String codePath = processCids.get(args); 12852 if (DEBUG_SD_INSTALL) 12853 Log.i(TAG, "Loading container : " + args.cid); 12854 int retCode = PackageManager.INSTALL_FAILED_CONTAINER_ERROR; 12855 try { 12856 // Make sure there are no container errors first. 12857 if (args.doPreInstall(PackageManager.INSTALL_SUCCEEDED) != PackageManager.INSTALL_SUCCEEDED) { 12858 Slog.e(TAG, "Failed to mount cid : " + args.cid 12859 + " when installing from sdcard"); 12860 continue; 12861 } 12862 // Check code path here. 12863 if (codePath == null || !codePath.startsWith(args.getCodePath())) { 12864 Slog.e(TAG, "Container " + args.cid + " cachepath " + args.getCodePath() 12865 + " does not match one in settings " + codePath); 12866 continue; 12867 } 12868 // Parse package 12869 int parseFlags = mDefParseFlags; 12870 if (args.isExternal()) { 12871 parseFlags |= PackageParser.PARSE_ON_SDCARD; 12872 } 12873 if (args.isFwdLocked()) { 12874 parseFlags |= PackageParser.PARSE_FORWARD_LOCK; 12875 } 12876 12877 synchronized (mInstallLock) { 12878 PackageParser.Package pkg = null; 12879 try { 12880 pkg = scanPackageLI(new File(codePath), parseFlags, 0, 0, null); 12881 } catch (PackageManagerException e) { 12882 Slog.w(TAG, "Failed to scan " + codePath + ": " + e.getMessage()); 12883 } 12884 // Scan the package 12885 if (pkg != null) { 12886 /* 12887 * TODO why is the lock being held? doPostInstall is 12888 * called in other places without the lock. This needs 12889 * to be straightened out. 12890 */ 12891 // writer 12892 synchronized (mPackages) { 12893 retCode = PackageManager.INSTALL_SUCCEEDED; 12894 pkgList.add(pkg.packageName); 12895 // Post process args 12896 args.doPostInstall(PackageManager.INSTALL_SUCCEEDED, 12897 pkg.applicationInfo.uid); 12898 } 12899 } else { 12900 Slog.i(TAG, "Failed to install pkg from " + codePath + " from sdcard"); 12901 } 12902 } 12903 12904 } finally { 12905 if (retCode != PackageManager.INSTALL_SUCCEEDED) { 12906 Log.w(TAG, "Container " + args.cid + " is stale, retCode=" + retCode); 12907 } 12908 } 12909 } 12910 // writer 12911 synchronized (mPackages) { 12912 // If the platform SDK has changed since the last time we booted, 12913 // we need to re-grant app permission to catch any new ones that 12914 // appear. This is really a hack, and means that apps can in some 12915 // cases get permissions that the user didn't initially explicitly 12916 // allow... it would be nice to have some better way to handle 12917 // this situation. 12918 final boolean regrantPermissions = mSettings.mExternalSdkPlatform != mSdkVersion; 12919 if (regrantPermissions) 12920 Slog.i(TAG, "Platform changed from " + mSettings.mExternalSdkPlatform + " to " 12921 + mSdkVersion + "; regranting permissions for external storage"); 12922 mSettings.mExternalSdkPlatform = mSdkVersion; 12923 12924 // Make sure group IDs have been assigned, and any permission 12925 // changes in other apps are accounted for 12926 updatePermissionsLPw(null, null, UPDATE_PERMISSIONS_ALL 12927 | (regrantPermissions 12928 ? (UPDATE_PERMISSIONS_REPLACE_PKG|UPDATE_PERMISSIONS_REPLACE_ALL) 12929 : 0)); 12930 12931 mSettings.updateExternalDatabaseVersion(); 12932 12933 // can downgrade to reader 12934 // Persist settings 12935 mSettings.writeLPr(); 12936 } 12937 // Send a broadcast to let everyone know we are done processing 12938 if (pkgList.size() > 0) { 12939 sendResourcesChangedBroadcast(true, false, pkgList, uidArr, null); 12940 } 12941 } 12942 12943 /* 12944 * Utility method to unload a list of specified containers 12945 */ 12946 private void unloadAllContainers(Set<AsecInstallArgs> cidArgs) { 12947 // Just unmount all valid containers. 12948 for (AsecInstallArgs arg : cidArgs) { 12949 synchronized (mInstallLock) { 12950 arg.doPostDeleteLI(false); 12951 } 12952 } 12953 } 12954 12955 /* 12956 * Unload packages mounted on external media. This involves deleting package 12957 * data from internal structures, sending broadcasts about diabled packages, 12958 * gc'ing to free up references, unmounting all secure containers 12959 * corresponding to packages on external media, and posting a 12960 * UPDATED_MEDIA_STATUS message if status has been requested. Please note 12961 * that we always have to post this message if status has been requested no 12962 * matter what. 12963 */ 12964 private void unloadMediaPackages(ArrayMap<AsecInstallArgs, String> processCids, int uidArr[], 12965 final boolean reportStatus) { 12966 if (DEBUG_SD_INSTALL) 12967 Log.i(TAG, "unloading media packages"); 12968 ArrayList<String> pkgList = new ArrayList<String>(); 12969 ArrayList<AsecInstallArgs> failedList = new ArrayList<AsecInstallArgs>(); 12970 final Set<AsecInstallArgs> keys = processCids.keySet(); 12971 for (AsecInstallArgs args : keys) { 12972 String pkgName = args.getPackageName(); 12973 if (DEBUG_SD_INSTALL) 12974 Log.i(TAG, "Trying to unload pkg : " + pkgName); 12975 // Delete package internally 12976 PackageRemovedInfo outInfo = new PackageRemovedInfo(); 12977 synchronized (mInstallLock) { 12978 boolean res = deletePackageLI(pkgName, null, false, null, null, 12979 PackageManager.DELETE_KEEP_DATA, outInfo, false); 12980 if (res) { 12981 pkgList.add(pkgName); 12982 } else { 12983 Slog.e(TAG, "Failed to delete pkg from sdcard : " + pkgName); 12984 failedList.add(args); 12985 } 12986 } 12987 } 12988 12989 // reader 12990 synchronized (mPackages) { 12991 // We didn't update the settings after removing each package; 12992 // write them now for all packages. 12993 mSettings.writeLPr(); 12994 } 12995 12996 // We have to absolutely send UPDATED_MEDIA_STATUS only 12997 // after confirming that all the receivers processed the ordered 12998 // broadcast when packages get disabled, force a gc to clean things up. 12999 // and unload all the containers. 13000 if (pkgList.size() > 0) { 13001 sendResourcesChangedBroadcast(false, false, pkgList, uidArr, 13002 new IIntentReceiver.Stub() { 13003 public void performReceive(Intent intent, int resultCode, String data, 13004 Bundle extras, boolean ordered, boolean sticky, 13005 int sendingUser) throws RemoteException { 13006 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, 13007 reportStatus ? 1 : 0, 1, keys); 13008 mHandler.sendMessage(msg); 13009 } 13010 }); 13011 } else { 13012 Message msg = mHandler.obtainMessage(UPDATED_MEDIA_STATUS, reportStatus ? 1 : 0, -1, 13013 keys); 13014 mHandler.sendMessage(msg); 13015 } 13016 } 13017 13018 /** Binder call */ 13019 @Override 13020 public void movePackage(final String packageName, final IPackageMoveObserver observer, 13021 final int flags) { 13022 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.MOVE_PACKAGE, null); 13023 UserHandle user = new UserHandle(UserHandle.getCallingUserId()); 13024 int returnCode = PackageManager.MOVE_SUCCEEDED; 13025 int currInstallFlags = 0; 13026 int newInstallFlags = 0; 13027 13028 File codeFile = null; 13029 String installerPackageName = null; 13030 String packageAbiOverride = null; 13031 13032 // reader 13033 synchronized (mPackages) { 13034 final PackageParser.Package pkg = mPackages.get(packageName); 13035 final PackageSetting ps = mSettings.mPackages.get(packageName); 13036 if (pkg == null || ps == null) { 13037 returnCode = PackageManager.MOVE_FAILED_DOESNT_EXIST; 13038 } else { 13039 // Disable moving fwd locked apps and system packages 13040 if (pkg.applicationInfo != null && isSystemApp(pkg)) { 13041 Slog.w(TAG, "Cannot move system application"); 13042 returnCode = PackageManager.MOVE_FAILED_SYSTEM_PACKAGE; 13043 } else if (pkg.mOperationPending) { 13044 Slog.w(TAG, "Attempt to move package which has pending operations"); 13045 returnCode = PackageManager.MOVE_FAILED_OPERATION_PENDING; 13046 } else { 13047 // Find install location first 13048 if ((flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13049 && (flags & PackageManager.MOVE_INTERNAL) != 0) { 13050 Slog.w(TAG, "Ambigous flags specified for move location."); 13051 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13052 } else { 13053 newInstallFlags = (flags & PackageManager.MOVE_EXTERNAL_MEDIA) != 0 13054 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13055 currInstallFlags = isExternal(pkg) 13056 ? PackageManager.INSTALL_EXTERNAL : PackageManager.INSTALL_INTERNAL; 13057 13058 if (newInstallFlags == currInstallFlags) { 13059 Slog.w(TAG, "No move required. Trying to move to same location"); 13060 returnCode = PackageManager.MOVE_FAILED_INVALID_LOCATION; 13061 } else { 13062 if (isForwardLocked(pkg)) { 13063 currInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13064 newInstallFlags |= PackageManager.INSTALL_FORWARD_LOCK; 13065 } 13066 } 13067 } 13068 if (returnCode == PackageManager.MOVE_SUCCEEDED) { 13069 pkg.mOperationPending = true; 13070 } 13071 } 13072 13073 codeFile = new File(pkg.codePath); 13074 installerPackageName = ps.installerPackageName; 13075 packageAbiOverride = ps.cpuAbiOverrideString; 13076 } 13077 } 13078 13079 if (returnCode != PackageManager.MOVE_SUCCEEDED) { 13080 try { 13081 observer.packageMoved(packageName, returnCode); 13082 } catch (RemoteException ignored) { 13083 } 13084 return; 13085 } 13086 13087 final IPackageInstallObserver2 installObserver = new IPackageInstallObserver2.Stub() { 13088 @Override 13089 public void onUserActionRequired(Intent intent) throws RemoteException { 13090 throw new IllegalStateException(); 13091 } 13092 13093 @Override 13094 public void onPackageInstalled(String basePackageName, int returnCode, String msg, 13095 Bundle extras) throws RemoteException { 13096 Slog.d(TAG, "Install result for move: " 13097 + PackageManager.installStatusToString(returnCode, msg)); 13098 13099 // We usually have a new package now after the install, but if 13100 // we failed we need to clear the pending flag on the original 13101 // package object. 13102 synchronized (mPackages) { 13103 final PackageParser.Package pkg = mPackages.get(packageName); 13104 if (pkg != null) { 13105 pkg.mOperationPending = false; 13106 } 13107 } 13108 13109 final int status = PackageManager.installStatusToPublicStatus(returnCode); 13110 switch (status) { 13111 case PackageInstaller.STATUS_SUCCESS: 13112 observer.packageMoved(packageName, PackageManager.MOVE_SUCCEEDED); 13113 break; 13114 case PackageInstaller.STATUS_FAILURE_STORAGE: 13115 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INSUFFICIENT_STORAGE); 13116 break; 13117 default: 13118 observer.packageMoved(packageName, PackageManager.MOVE_FAILED_INTERNAL_ERROR); 13119 break; 13120 } 13121 } 13122 }; 13123 13124 // Treat a move like reinstalling an existing app, which ensures that we 13125 // process everythign uniformly, like unpacking native libraries. 13126 newInstallFlags |= PackageManager.INSTALL_REPLACE_EXISTING; 13127 13128 final Message msg = mHandler.obtainMessage(INIT_COPY); 13129 final OriginInfo origin = OriginInfo.fromExistingFile(codeFile); 13130 msg.obj = new InstallParams(origin, installObserver, newInstallFlags, 13131 installerPackageName, null, user, packageAbiOverride); 13132 mHandler.sendMessage(msg); 13133 } 13134 13135 @Override 13136 public boolean setInstallLocation(int loc) { 13137 mContext.enforceCallingOrSelfPermission(android.Manifest.permission.WRITE_SECURE_SETTINGS, 13138 null); 13139 if (getInstallLocation() == loc) { 13140 return true; 13141 } 13142 if (loc == PackageHelper.APP_INSTALL_AUTO || loc == PackageHelper.APP_INSTALL_INTERNAL 13143 || loc == PackageHelper.APP_INSTALL_EXTERNAL) { 13144 android.provider.Settings.Global.putInt(mContext.getContentResolver(), 13145 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, loc); 13146 return true; 13147 } 13148 return false; 13149 } 13150 13151 @Override 13152 public int getInstallLocation() { 13153 return android.provider.Settings.Global.getInt(mContext.getContentResolver(), 13154 android.provider.Settings.Global.DEFAULT_INSTALL_LOCATION, 13155 PackageHelper.APP_INSTALL_AUTO); 13156 } 13157 13158 /** Called by UserManagerService */ 13159 void cleanUpUserLILPw(UserManagerService userManager, int userHandle) { 13160 mDirtyUsers.remove(userHandle); 13161 mSettings.removeUserLPw(userHandle); 13162 mPendingBroadcasts.remove(userHandle); 13163 if (mInstaller != null) { 13164 // Technically, we shouldn't be doing this with the package lock 13165 // held. However, this is very rare, and there is already so much 13166 // other disk I/O going on, that we'll let it slide for now. 13167 mInstaller.removeUserDataDirs(userHandle); 13168 } 13169 mUserNeedsBadging.delete(userHandle); 13170 removeUnusedPackagesLILPw(userManager, userHandle); 13171 } 13172 13173 /** 13174 * We're removing userHandle and would like to remove any downloaded packages 13175 * that are no longer in use by any other user. 13176 * @param userHandle the user being removed 13177 */ 13178 private void removeUnusedPackagesLILPw(UserManagerService userManager, final int userHandle) { 13179 final boolean DEBUG_CLEAN_APKS = false; 13180 int [] users = userManager.getUserIdsLPr(); 13181 Iterator<PackageSetting> psit = mSettings.mPackages.values().iterator(); 13182 while (psit.hasNext()) { 13183 PackageSetting ps = psit.next(); 13184 if (ps.pkg == null) { 13185 continue; 13186 } 13187 final String packageName = ps.pkg.packageName; 13188 // Skip over if system app 13189 if ((ps.pkgFlags & ApplicationInfo.FLAG_SYSTEM) != 0) { 13190 continue; 13191 } 13192 if (DEBUG_CLEAN_APKS) { 13193 Slog.i(TAG, "Checking package " + packageName); 13194 } 13195 boolean keep = false; 13196 for (int i = 0; i < users.length; i++) { 13197 if (users[i] != userHandle && ps.getInstalled(users[i])) { 13198 keep = true; 13199 if (DEBUG_CLEAN_APKS) { 13200 Slog.i(TAG, " Keeping package " + packageName + " for user " 13201 + users[i]); 13202 } 13203 break; 13204 } 13205 } 13206 if (!keep) { 13207 if (DEBUG_CLEAN_APKS) { 13208 Slog.i(TAG, " Removing package " + packageName); 13209 } 13210 mHandler.post(new Runnable() { 13211 public void run() { 13212 deletePackageX(packageName, userHandle, 0); 13213 } //end run 13214 }); 13215 } 13216 } 13217 } 13218 13219 /** Called by UserManagerService */ 13220 void createNewUserLILPw(int userHandle, File path) { 13221 if (mInstaller != null) { 13222 mInstaller.createUserConfig(userHandle); 13223 mSettings.createNewUserLILPw(this, mInstaller, userHandle, path); 13224 } 13225 } 13226 13227 @Override 13228 public VerifierDeviceIdentity getVerifierDeviceIdentity() throws RemoteException { 13229 mContext.enforceCallingOrSelfPermission( 13230 android.Manifest.permission.PACKAGE_VERIFICATION_AGENT, 13231 "Only package verification agents can read the verifier device identity"); 13232 13233 synchronized (mPackages) { 13234 return mSettings.getVerifierDeviceIdentityLPw(); 13235 } 13236 } 13237 13238 @Override 13239 public void setPermissionEnforced(String permission, boolean enforced) { 13240 mContext.enforceCallingOrSelfPermission(GRANT_REVOKE_PERMISSIONS, null); 13241 if (READ_EXTERNAL_STORAGE.equals(permission)) { 13242 synchronized (mPackages) { 13243 if (mSettings.mReadExternalStorageEnforced == null 13244 || mSettings.mReadExternalStorageEnforced != enforced) { 13245 mSettings.mReadExternalStorageEnforced = enforced; 13246 mSettings.writeLPr(); 13247 } 13248 } 13249 // kill any non-foreground processes so we restart them and 13250 // grant/revoke the GID. 13251 final IActivityManager am = ActivityManagerNative.getDefault(); 13252 if (am != null) { 13253 final long token = Binder.clearCallingIdentity(); 13254 try { 13255 am.killProcessesBelowForeground("setPermissionEnforcement"); 13256 } catch (RemoteException e) { 13257 } finally { 13258 Binder.restoreCallingIdentity(token); 13259 } 13260 } 13261 } else { 13262 throw new IllegalArgumentException("No selective enforcement for " + permission); 13263 } 13264 } 13265 13266 @Override 13267 @Deprecated 13268 public boolean isPermissionEnforced(String permission) { 13269 return true; 13270 } 13271 13272 @Override 13273 public boolean isStorageLow() { 13274 final long token = Binder.clearCallingIdentity(); 13275 try { 13276 final DeviceStorageMonitorInternal 13277 dsm = LocalServices.getService(DeviceStorageMonitorInternal.class); 13278 if (dsm != null) { 13279 return dsm.isMemoryLow(); 13280 } else { 13281 return false; 13282 } 13283 } finally { 13284 Binder.restoreCallingIdentity(token); 13285 } 13286 } 13287 13288 @Override 13289 public IPackageInstaller getPackageInstaller() { 13290 return mInstallerService; 13291 } 13292 13293 private boolean userNeedsBadging(int userId) { 13294 int index = mUserNeedsBadging.indexOfKey(userId); 13295 if (index < 0) { 13296 final UserInfo userInfo; 13297 final long token = Binder.clearCallingIdentity(); 13298 try { 13299 userInfo = sUserManager.getUserInfo(userId); 13300 } finally { 13301 Binder.restoreCallingIdentity(token); 13302 } 13303 final boolean b; 13304 if (userInfo != null && userInfo.isManagedProfile()) { 13305 b = true; 13306 } else { 13307 b = false; 13308 } 13309 mUserNeedsBadging.put(userId, b); 13310 return b; 13311 } 13312 return mUserNeedsBadging.valueAt(index); 13313 } 13314 13315 @Override 13316 public KeySet getKeySetByAlias(String packageName, String alias) { 13317 if (packageName == null || alias == null) { 13318 return null; 13319 } 13320 synchronized(mPackages) { 13321 final PackageParser.Package pkg = mPackages.get(packageName); 13322 if (pkg == null) { 13323 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13324 throw new IllegalArgumentException("Unknown package: " + packageName); 13325 } 13326 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13327 return new KeySet(ksms.getKeySetByAliasAndPackageNameLPr(packageName, alias)); 13328 } 13329 } 13330 13331 @Override 13332 public KeySet getSigningKeySet(String packageName) { 13333 if (packageName == null) { 13334 return null; 13335 } 13336 synchronized(mPackages) { 13337 final PackageParser.Package pkg = mPackages.get(packageName); 13338 if (pkg == null) { 13339 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13340 throw new IllegalArgumentException("Unknown package: " + packageName); 13341 } 13342 if (pkg.applicationInfo.uid != Binder.getCallingUid() 13343 && Process.SYSTEM_UID != Binder.getCallingUid()) { 13344 throw new SecurityException("May not access signing KeySet of other apps."); 13345 } 13346 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13347 return new KeySet(ksms.getSigningKeySetByPackageNameLPr(packageName)); 13348 } 13349 } 13350 13351 @Override 13352 public boolean isPackageSignedByKeySet(String packageName, KeySet ks) { 13353 if (packageName == null || ks == null) { 13354 return false; 13355 } 13356 synchronized(mPackages) { 13357 final PackageParser.Package pkg = mPackages.get(packageName); 13358 if (pkg == null) { 13359 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13360 throw new IllegalArgumentException("Unknown package: " + packageName); 13361 } 13362 IBinder ksh = ks.getToken(); 13363 if (ksh instanceof KeySetHandle) { 13364 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13365 return ksms.packageIsSignedByLPr(packageName, (KeySetHandle) ksh); 13366 } 13367 return false; 13368 } 13369 } 13370 13371 @Override 13372 public boolean isPackageSignedByKeySetExactly(String packageName, KeySet ks) { 13373 if (packageName == null || ks == null) { 13374 return false; 13375 } 13376 synchronized(mPackages) { 13377 final PackageParser.Package pkg = mPackages.get(packageName); 13378 if (pkg == null) { 13379 Slog.w(TAG, "KeySet requested for unknown package:" + packageName); 13380 throw new IllegalArgumentException("Unknown package: " + packageName); 13381 } 13382 IBinder ksh = ks.getToken(); 13383 if (ksh instanceof KeySetHandle) { 13384 KeySetManagerService ksms = mSettings.mKeySetManagerService; 13385 return ksms.packageIsSignedByExactlyLPr(packageName, (KeySetHandle) ksh); 13386 } 13387 return false; 13388 } 13389 } 13390} 13391